Purline lateral displacement detection device

Abstract

The invention discloses a purline lateral displacement detection device, and relates to the field of purline detection. The clamping mechanism comprises a plurality of containing frames arranged in the width direction of the supporting frame at intervals, the two ends of each containing frame are rotationally installed on the supporting frame, a through part is arranged at the bottom of each containing frame, a sliding plate moving in the length direction of each through part is arranged in each through part, and supporting plates are detachably arranged at one end of each sliding plate and one end of each containing frame and used for being connected with a purline. Limiting plates moving in the width direction of the containing frame are arranged on the two sides of the containing frame and used for limiting the side edges of the purlins. The pressure applying mechanism comprises a plurality of top frames which are located above the containing frame and coaxially and rotationally arranged, a plurality of first linear mechanisms moving in the length direction of the top frames are arranged on the top frames, the moving direction of the moving ends of the first linear mechanisms is perpendicular to the rotating axis of the top frames, and the moving ends are provided with pressing blocks used for applying pressure to the purlins in the side direction. The purlines with different deflection angles can be loaded and detected, and the detection accuracy is ensured while the tool cost is reduced.

Description

Technical Field

[0001] This invention relates to the field of purlin testing technology, and more particularly to a purlin lateral displacement testing device. Background Technology

[0002] As a key load-bearing component of roofing or wall systems, purlins are usually connected to the main structure such as trusses and rigid frames to form an overall force-bearing system. If a purlin undergoes lateral displacement (i.e., a deviation perpendicular to its length), it may lead to the failure of the connection node or the instability of the overall structure. Therefore, it is necessary to detect the lateral displacement of the purlins to ensure the stability of the purlins in the entire structural system. In existing technologies, since purlins are usually in an inclined state and the direction and position of external loads are not fixed, when performing lateral displacement testing on purlins, it is necessary to apply loads to them in different directions and positions. However, in actual testing, loads can usually only be applied to purlins in the horizontal or vertical direction, resulting in certain limitations in the test results. When applying loads to deflected purlins, due to the lack of effective positioning of the purlins, the purlins are prone to secondary deflection after being loaded, which leads to deviations in the test results. Therefore, when applying loads to deflected purlins, the purlins can usually only be fixed in a special angle fixture, which leads to a significant increase in fixture costs. Summary of the Invention

[0003] In view of the shortcomings of the above-mentioned prior art, this application provides a purlin lateral displacement detection device, which can apply load and detect purlins with different deflection angles, reducing tooling costs while ensuring detection accuracy, and has strong practicality.

[0004] To achieve the above objectives, the present invention employs the following techniques: A purlin lateral displacement detection device includes: a support frame, a clamping mechanism, and a pressure application mechanism.

[0005] The clamping mechanism includes multiple receiving frames spaced apart along the width of the support frame. Both ends of the receiving frames are rotatably mounted on the support frame, and their length directions are parallel to each other. The bottom of the receiving frame is provided with a through section arranged along its length direction. Multiple displacement sensors are provided on both sides of the through section, and a sliding plate is provided in the through section that moves along its length direction. One end of the sliding plate and the receiving frame is detachably provided with a support plate for connecting the purlin. Limiting plates are provided on both sides of the receiving frame that move along its width direction for limiting the side of the purlin. The pressure applying mechanism includes multiple top frames located above the receiving frames and coaxially rotating. Multiple first linear mechanisms are provided on the top frames that move along their length direction. The moving end of the first linear mechanism moves perpendicular to the rotation axis of the top frame, and the moving end is provided with a pressure block for applying lateral pressure to the purlin.

[0006] Furthermore, both ends of the receiving frame are provided with connecting shafts, which are rotatably mounted on the support base. The support base is mounted on the support frame. One end of one of the connecting shafts is provided with a first driven gear, which meshes with a first driving gear. The first driving gear is mounted on a transmission shaft, which is rotatably mounted on the support base. One end of the transmission shaft is connected to the output end of the first power device, which is mounted on the support frame.

[0007] Furthermore, the first driven gear has multiple positioning holes along its circumference. In application, a positioning rod passes through the positioning hole and is mounted on the end plate. A third screw is provided on the side of the end plate. The third screw is threaded into the moving plate and locked with a nut. The moving plate is connected to the moving end of the horizontal linear mechanism. The horizontal linear mechanism is mounted on the support frame and arranged along its length.

[0008] Furthermore, a bracket is provided at one end of the receiving frame, and a rotating plate is rotatably mounted on the bracket. The rotating plate is parallel to the surface of the receiving frame and a first screw with an axis perpendicular to the surface of the receiving frame passes through it and is locked with a nut. A pressure plate is rotatably connected to the end of the first screw facing the receiving frame. In application, the pressure plate is directly opposite the support plate located at the end of the receiving frame to apply pressure to the purlin.

[0009] Furthermore, elongated holes are provided on both sides of the receiving frame, the limiting plate is located in the elongated holes, and a support plate is provided on the outside. The support plate is sleeved on the second screw and locked with a nut. The second screw is installed at the bottom of the receiving frame.

[0010] Furthermore, both ends of the top frame are rotatably mounted on retaining rings, which are mounted on support seats. One end of the top frame is provided with a second driven gear, which meshes with a second driving gear. The second driving gear is mounted on a rotating shaft, which is rotatably mounted on the support seat and has one end connected to the output end of a second power device, which is mounted on a support frame.

[0011] Furthermore, a locking rod is inserted through one end of the top frame and is movable along its length. A convex plate is provided on one side of the receiving frame, and a through hole is provided on the side of the convex plate. In use, the locking rod is inserted through the through hole.

[0012] Furthermore, one end of the top frame is provided with a connecting frame, one end of the clamping rod passes through the connecting frame and is provided with a connecting block, and the side of the connecting block is provided with a through groove. In application, a push block is provided through the through groove, and the outer side of the push block is provided with an inclined surface for contacting the edge of the through groove away from the connecting frame. The push block is connected to the moving end of the second linear mechanism, and the second linear mechanism is installed on the connecting frame. The clamping rod is provided with a retaining ring located between the connecting frame and the top frame, and a spring is sleeved on the clamping rod. The two ends of the spring abut against the connecting frame and the retaining ring respectively, and are always in a compressed state.

[0013] Furthermore, the top surface of the top frame is provided with a sliding groove along its length for one end of the first linear mechanism to pass through. Both sides of the first linear mechanism are slidably fitted onto the slide rod and locked with screws. The slide rod is installed on the top frame and arranged along its length.

[0014] The beneficial effects of this invention are as follows: The purlin is installed in a rotatable housing frame, which facilitates adjustment of the purlin's deflection angle to adapt to different loading conditions. It also allows for positioning of the rotated housing frame, preventing secondary deflection during loading, ensuring the accuracy of the test results, and reducing tooling costs. Furthermore, the clamping rod stabilizes the top frame and housing frame at the same deflection angle, ensuring the stability of the load on the tilted purlin and guaranteeing the accuracy of the test results. Attached Figure Description

[0015] The accompanying drawings described herein are merely illustrative of selected embodiments, not all possible implementations, and are not intended to limit the scope of the invention.

[0016] Figure 1 This is a three-dimensional schematic diagram of the overall structure of an embodiment of this application.

[0017] Figure 2 This is a three-dimensional schematic diagram of the clamping mechanism according to an embodiment of this application.

[0018] Figure 3 for Figure 2 Enlarged diagram of point A.

[0019] Figure 4 This is a three-dimensional schematic diagram of the receiving frame according to an embodiment of this application.

[0020] Figure 5 for Figure 4 Enlarged diagram of point B.

[0021] Figure 6 This is a three-dimensional schematic diagram of the pressure application mechanism according to an embodiment of this application.

[0022] Figure 7 for Figure 6 Enlarged diagram of point C.

[0023] Figure 8 This is a schematic diagram of the combination between the receiving frame and the top frame in an embodiment of this application.

[0024] Figure 9 for Figure 8 Enlarged diagram of point D.

[0025] Explanation of reference numerals in the attached drawings: 100—Support frame, 200—Clamping mechanism, 300—Pressure applying mechanism, 101—Support seat, 102—Snap ring, 201—Receiving frame, 202—Through part, 203—Slide plate, 204—Packet, 205—Limiting plate, 206—Connecting shaft, 207—First driven gear, 208—First driving gear, 209—Transmission shaft, 210—Bracket, 211—Rotating plate, 212—First screw, 213—Pressure plate, 214—Elongated hole, 215—Support plate, 216—Second 217—locating hole, 218—locating rod, 219—end plate, 220—third screw, 221—moving plate, 222—convex plate, 223—through hole, 301—top frame, 302—first linear mechanism, 303—pressure block, 304—second driven gear, 305—second driving gear, 306—rotating shaft, 307—clamping rod, 308—connecting frame, 309—connecting block, 310—through groove, 311—push block, 312—retaining ring, 313—spring, 314—slide groove, 315—slide rod. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the implementation methods of the present invention will be described in detail below with reference to the accompanying drawings. However, the embodiments described in this invention are only some embodiments of the present invention, and not all embodiments.

[0027] like Figures 1-9 As shown in the figure, this application provides a purlin lateral displacement detection device, including: a support frame 100, a clamping mechanism 200, and a pressure applying mechanism 300.

[0028] The clamping mechanism 200 includes multiple receiving frames 201 spaced apart along the width direction of the support frame 100 for receiving purlins. Both ends of the receiving frames 201 are rotatably mounted on the support frame 100, and their length directions are parallel to each other. The bottom of each receiving frame 201 has a through portion 202 arranged along its length direction. Multiple displacement sensors are provided on both sides of the through portion 202 to detect the deflection displacement of the purlins. A sliding plate 203 is provided in the through portion 202 and is movable along its length direction. A support plate 204 is detachably provided at one end of both the sliding plate 203 and one end of each receiving frame 201 for connecting the purlins. Limiting plates 205 are provided on both sides of each receiving frame 201 and are movable along its width direction. The limiting plate 205 is used to limit the sides of the purlin. When the purlin is placed in the receiving frame 201, firstly, two support plates 204 are connected to the corresponding positions of the purlin by welding or bolting as needed. Then, one support plate 204 is installed at one end of the receiving frame 201, and the other support plate 204 is installed on the slide plate 203. The slide plate 203 can move along the length of the through part 202 to accommodate support plates 204 in different positions. Then, the limiting plate 205 is moved toward the center of the receiving frame 201 to limit the sides of the purlin, so as to provide support for the sides of the purlin after the receiving frame 201 is deflected at a certain angle, ensuring the accuracy of the test results.

[0029] The pressure applying mechanism 300 includes multiple top frames 301 located above the receiving frame 201 and coaxially rotatable. Each top frame 301 is provided with multiple first linear mechanisms 302 that move along its length. The moving end of each first linear mechanism 302 moves perpendicular to the rotation axis of the top frame 301, and each moving end is provided with a pressure block 303 for laterally applying pressure to the purlin. After the purlin has been installed in the receiving frame 201, the position of the first linear mechanism 302 can be adjusted according to the detection requirements to apply pressure to the corresponding position of the purlin. Then, the top frame 301 is rotated by a predetermined angle so that the pressure block 303 is in the corresponding position. Then, the first linear mechanism 302 drives the pressure block 303 to move toward the purlin, thereby applying pressure to the purlin. The lateral displacement of the purlin after being loaded can be detected by displacement sensors on both sides of the receiving frame 201.

[0030] Specifically, such as Figures 1-3As shown, the receiving frame 201 has connecting shafts 206 at both ends. The connecting shafts 206 are rotatably mounted on the support base 101, which is mounted on the support frame 100. One end of the connecting shaft 206 is provided with a first driven gear 207, which meshes with a first driving gear 208. The first driving gear 208 is mounted on a transmission shaft 209, which is rotatably mounted on the support base 101 and has one end connected to the output end of a first power device. The first power device is mounted on the support frame 100. The first power device can be a servo motor, which can precisely control the rotation angle. After the purlin is installed in the receiving frame 201, the first power device can drive the transmission shaft 209 to rotate. Under the meshing transmission of the first driven gear 207 and the first driving gear 208, the receiving frame 201 will rotate by a predetermined angle, thereby tilting the purlin to facilitate subsequent operations.

[0031] Specifically, such as Figures 1-3 As shown, to prevent the purlin from deflecting under load, it is necessary to ensure that the receiving frame 201 remains in position after rotating a predetermined angle. Therefore, multiple positioning holes 217 are provided along the circumference of the surface of the first driven gear 207. After the receiving frame 201 rotates a predetermined angle, a positioning rod 218 is inserted into the positioning hole 217 to position the first driven gear 207 and prevent it from rotating under external force. However, due to different detection requirements, the rotation angle of the receiving frame 201 is not the same, so the position of the positioning hole 217 will change. Therefore, the position of the positioning rod 218 also needs to be changed accordingly. Thus, the positioning rod 218 is installed on the end plate 219. A third screw 220 is provided, which is threaded into the movable plate 221 and locked with a nut. Loosening the nut allows the third screw 220 to rotate, thereby adjusting the position of the positioning rod 218 to match the position of the positioning hole 217. Then, the third screw 220 is locked with the nut again. The movable plate 221 is connected to the moving end of the horizontal linear mechanism, which is mounted on the support frame 100 and arranged along its length. In actual operation, after the receiving frame 201 rotates a predetermined angle, the horizontal linear mechanism drives the movable plate 221 to move toward the receiving frame 201, so that the positioning rod 218 can pass into the positioning hole 217 of the first driven gear 207.

[0032] Specifically, such as Figures 4-5As shown, one end of the purlin may warp under load. To further ensure the stability of one end of the purlin under load, a bracket 210 is provided at one end of the receiving frame 201. A rotating plate 211 is rotatably mounted on the bracket 210. The rotating plate 211 is parallel to the surface of the receiving frame 201, and a first screw 212 with its axis perpendicular to the surface of the receiving frame 201 passes through it and is locked with a nut. A pressure plate 213 is rotatably connected to the end of the first screw 212 facing the receiving frame 201. When the purlin is installed in the receiving frame 201, first, the opening of the receiving frame 201 is in a horizontal state. Then, the purlin connected to the support plate 204 is placed in the receiving frame 201. The support plate 204 is connected to the receiving frame 201 and the slide plate 203. Then, the rotating plate 211 is rotated by a predetermined angle so that the pressure plate 213 is facing the support plate 204 located at the end of the receiving frame 201. Then, the first screw 212 is rotated so that the pressure plate 213 moves toward the support plate 204 until the pressure plate 213 presses the purlin tightly.

[0033] More specifically, such as Figures 4-5 As shown, the connection between the pallet 204 and the receiving frame 201 or the slide plate 203 can be achieved by using a screw connection. For example, a screw can be installed at the bottom of the pallet 204, and the screw can be inserted into the bottom of the receiving frame 201 or the slide plate 203, and then tightened with a nut.

[0034] Specifically, such as Figures 2-5 As shown, the receiving frame 201 has elongated holes 214 on both sides. The limiting plate 205 is located in the elongated holes 214, and a support plate 215 is provided on the outside. The support plate 215 is sleeved on the second screw 216 and locked with a nut. The second screw 216 is installed at the bottom of the receiving frame 201. After the purlin is installed in the receiving frame 201, the nut on the second screw 216 can be loosened, and then the limiting plate 205 can be moved toward the center of the receiving frame 201 so that the limiting plate 205 contacts the side of the purlin, thereby applying a limit on both sides of the purlin. Then, the second screw 216 can be locked with a nut. For some detection cases where it is not necessary to apply a limit on both sides of the purlin, the limiting plate 205 can be located in the elongated holes 214 to ensure that the limiting plate 205 does not contact the sides of the purlin.

[0035] Specifically, such as Figure 1 , Figures 6-7As shown, both ends of the top frame 301 are rotatably mounted on the retaining ring 102, which is mounted on the support base 101. One end of the top frame 301 is provided with a second driven gear 304, which meshes with a second driving gear 305. The second driving gear 305 is mounted on a rotating shaft 306, which is rotatably mounted on the support base 101 and has one end connected to the output end of a second power device. The second power device is mounted on the support frame 100. When it is necessary to apply a load to the purlin, the rotating shaft 306 is driven to rotate by the second power device. Under the meshing transmission of the second driven gear 304 and the second driving gear 305, the top frame 301 will rotate by a predetermined angle, thereby adjusting the tilt angle of the pressure block 303 so as to apply a load to the purlin at the predetermined angle.

[0036] Specifically, such as Figures 6-9 As shown, a locking rod 307 that moves along the length of the top frame 301 is inserted through one end of the top frame 301. A protruding plate 222 is provided on one side of the receiving frame 201. A through hole 223 is provided on the side of the protruding plate 222. When it is necessary to make the top frame 301 and the receiving frame 201 at the same tilt angle, the locking rod 307 is inserted into the through hole 223 to ensure that there is no relative deflection between the top frame 301 and the receiving frame 201 when the purlin is under load, thereby ensuring the accuracy of the load application point and direction.

[0037] Specifically, such as Figures 6-9As shown, one end of the top frame 301 is provided with a connecting frame 308, and one end of the locking rod 307 passes through the connecting frame 308 and is provided with a connecting block 309. The side of the connecting block 309 is provided with a through groove 310. In use, a push block 311 is inserted through the through groove 310, and the outer side of the push block 311 is provided with an inclined surface for contacting the edge of the through groove 310 away from the connecting frame 308. The push block 311 is connected to the moving end of the second linear mechanism, which is mounted on the connecting frame 308. The locking rod 307 is provided with a retaining ring 312 located between the connecting frame 308 and the top frame 301. A spring 313 is fitted onto the rod 307. The two ends of the spring 313 abut against the connecting frame 308 and the retaining ring 312 respectively, and are always in a compressed state. Under the action of the spring 313, the rod 307 always tends to move towards the receiving frame 201. During the rotation of the receiving frame 201, to prevent the rod 307 from obstructing the normal rotation of the receiving frame 201, the push block 311 is moved by the second linear mechanism. This causes the inclined surface of the push block 311 to contact the edge of the through groove 310 away from the connecting frame 308. At this time, the connecting block 309 will be forced to move. The movement causes the locking rod 307 to move synchronously, further compressing the spring 313 and causing the locking rod 307 to move out of the through hole 223. At this point, the receiving frame 201 can rotate normally. After the receiving frame 201 rotates to a predetermined angle, the push block 311 can be driven to move back through the second linear mechanism, and the locking rod 307 will be reset under the action of the spring 313. When it is necessary to make the top frame 301 and the receiving frame 201 at the same tilt angle, the top frame 301 is rotated until the locking rod 307 is aligned with the through hole 223. In order to facilitate the locking rod 307... Entering the through hole 223 on the side of the protruding plate 222, and setting the end of the protruding plate 222 to be arc-shaped, the locking rod 307 will contact the arc surface of the protruding plate 222 during the rotation of the top frame 301, and force the locking rod 307 to move. The spring 313 is further compressed until the locking rod 307 is aligned with the through hole 223. At this time, the locking rod 307 will automatically pass into the through hole 223 under the action of the spring 313, thereby realizing the positioning between the top frame 301 and the receiving frame 201, ensuring that the two are at the same tilt angle, so as to facilitate the application of load to the purlin.

[0038] Specifically, such as Figures 6-7 As shown, the top surface of the top frame 301 is provided with a sliding groove 314 along its length for one end of the first linear mechanism 302 to pass through. Both sides of the first linear mechanism 302 are slidably fitted onto the slide rod 315 and locked with screws. The slide rod 315 is installed on the top frame 301 and arranged along its length. When adjusting the position of the first linear mechanism 302, it is only necessary to loosen the screws and slide the first linear mechanism 302 along the slide rod 315. After the first linear mechanism 302 moves to the corresponding position, it is then locked with screws.

[0039] When using this device to detect the lateral displacement of a purlin, first, the opening of the receiving frame 201 is horizontal. Then, the purlin is connected to two support plates 204. Next, the purlin is placed in the receiving frame 201, with one support plate 204 mounted on one end of the receiving frame 201 and the other support plate 204 mounted on the sliding plate 203. Then, the pressure plate 213 is used to press one end of the purlin firmly. Afterward, the receiving frame 201 is rotated back by a predetermined angle according to the detection requirements, and the receiving frame 201 is locked using the positioning rod 218. Finally, the top frame 301 is rotated according to the detection requirements, thus positioning the top frame 301 and the receiving frame 201 in a suitable position. At the same tilt angle, the top frame 301 can be in a horizontal or vertical state, which can be adjusted according to the actual load requirements. When the top frame 301 and the receiving frame 201 are in the same tilt angle, the clamping rod 307 is inserted into the through hole 223, and at this time the limiting plate 205 applies a limit to both sides of the purlin. When the top frame 301 is in a horizontal or vertical state, while the receiving frame 201 is in a tilted state, that is, when the top frame 301 and the receiving frame 201 are not in the same tilt angle, the limiting plate 205 does not apply a limit to both sides of the purlin. Then, the load is applied to the purlin through the pressure block 303, and the displacement of the purlin is detected by the displacement sensor.

[0040] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Obviously, those skilled in the art can make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention also intends to include these modifications and variations.

Claims

1. A purlin lateral displacement detection device, characterized in that, include: Support frame (100); The clamping mechanism (200) includes multiple receiving frames (201) spaced apart along the width direction of the support frame (100). Both ends of the receiving frames (201) are rotatably mounted on the support frame (100), and the length directions of the two are parallel to each other. The bottom of the receiving frame (201) is provided with a through part (202) arranged along its length direction. Multiple displacement sensors are provided on both sides of the through part (202), and a sliding plate (203) is provided in the through part (202) and moved along its length direction. The sliding plate (203) and one end of the receiving frame (201) are detachably provided with a support plate (204) for connecting purlins. Both sides of the receiving frame (201) are provided with limiting plates (205) moved along its width direction for limiting the side of the purlins. The pressure application mechanism (300) includes multiple top frames (301) located above the receiving frame (201) and coaxially rotatable. The top frames (301) are provided with multiple first linear mechanisms (302) that move along their length direction. The moving end of the first linear mechanism (302) moves perpendicular to the rotation axis of the top frame (301), and the moving end is provided with a pressure block (303) for applying lateral pressure to the purlin.

2. The purlin lateral displacement detection device according to claim 1, characterized in that, The receiving frame (201) is provided with connecting shafts (206) at both ends. The connecting shafts (206) are rotatably mounted on the support base (101). The support base (101) is mounted on the support frame (100). One end of the connecting shaft (206) is provided with a first driven gear (207). The first driven gear (207) meshes with a first driving gear (208). The first driving gear (208) is mounted on a transmission shaft (209). The transmission shaft (209) is rotatably mounted on the support base (101) and one end is connected to the output end of a first power device. The first power device is mounted on the support frame (100).

3. The purlin lateral displacement detection device according to claim 2, characterized in that, The first driven gear (207) has a plurality of positioning holes (217) along its circumferential direction. In application, a positioning rod (218) is inserted through the positioning hole (217). The positioning rod (218) is mounted on the end plate (219). The side of the end plate (219) is provided with a third screw (220). The third screw (220) is threaded into the moving plate (221) and locked with a nut. The moving plate (221) is connected to the moving end of the horizontal linear mechanism. The horizontal linear mechanism is mounted on the support frame (100) and arranged along its length.

4. The purlin lateral displacement detection device according to claim 1, characterized in that, The receiving frame (201) is provided with a bracket (210) at one end. A rotating plate (211) is rotatably mounted on the bracket (210). The rotating plate (211) is parallel to the surface of the receiving frame (201) and a first screw (212) with an axis perpendicular to the surface of the receiving frame (201) is passed through it and locked with a nut. A pressure plate (213) is rotatably connected to one end of the first screw (212) facing the receiving frame (201). When in use, the pressure plate (213) is directly opposite the support plate (204) located at the end of the receiving frame (201) to apply pressure to the purlin.

5. The purlin lateral displacement detection device according to claim 1, characterized in that, The receiving frame (201) has elongated holes (214) on both sides. The limiting plate (205) is located in the elongated holes (214) and has a support plate (215) on the outside. The support plate (215) is sleeved on the second screw (216) and locked with a nut. The second screw (216) is installed at the bottom of the receiving frame (201).

6. The purlin lateral displacement detection device according to claim 2, characterized in that, Both ends of the top frame (301) are rotatably mounted on the retaining ring (102), the retaining ring (102) is mounted on the support seat (101), one end of the top frame (301) is provided with a second driven gear (304), the second driven gear (304) meshes with the second driving gear (305), the second driving gear (305) is mounted on the rotating shaft (306), the rotating shaft (306) is rotatably mounted on the support seat (101), and one end is connected to the output end of the second power device, the second power device is mounted on the support frame (100).

7. The purlin lateral displacement detection device according to claim 1, characterized in that, One end of the top frame (301) is provided with a locking rod (307) that moves along its length. The receiving frame (201) has a protruding plate (222) on one side, and a through hole (223) on the side of the protruding plate (222). When in use, the locking rod (307) passes through the through hole (223).

8. The purlin lateral displacement detection device according to claim 7, characterized in that, The top frame (301) is provided with a connecting frame (308) at one end. The clamping rod (307) passes through the connecting frame (308) at one end and is provided with a connecting block (309). The connecting block (309) is provided with a through groove (310) on its side. In application, a push block (311) is provided in the through groove (310), and the push block (311) is provided with an inclined surface on its outer side for contacting the edge of the through groove (310) away from the connecting frame (308). The push block (311) is connected to the moving end of the second linear mechanism, and the second linear mechanism is installed on the connecting frame (308). The lever (307) is provided with a retaining ring (312) located between the connecting frame (308) and the top frame (301). A spring (313) is sleeved on the lever (307). The two ends of the spring (313) abut against the connecting frame (308) and the retaining ring (312) respectively, and are always in a compressed state.

9. The purlin lateral displacement detection device according to claim 1, characterized in that, The top surface of the top frame (301) is provided with a sliding groove (314) along its length direction for passing through one end of the first linear mechanism (302). Both sides of the first linear mechanism (302) are slidably engaged on the sliding rod (315) and locked with screws. The sliding rod (315) is installed on the top frame (301) and arranged along its length direction.

Images