Detection device

Abstract

The utility model discloses a detection device, in the detection device, when pressure and tension of a jig need to be detected, a worker can place the jig on a bearing area, and then a first driving structure drives a pressure sensor to approach the jig on the bearing area downwards; a pressure sensor is arranged in a bearing area of the jig, so that a pressure detection end of the pressure sensor extrudes a driving part of the jig, the pressure sensor can detect the pressure of the jig, a worker can connect a tension detection end of a tension sensor with a jig body of the jig in the bearing area, and the tension detection end is driven by a second driving structure. The tension detection end of the tension sensor can drive the jig body to move in the first horizontal direction, and therefore detection of the tension of the jig is completed. Furthermore, the detection device provided by the utility model can detect the pressure and the tension of the jig at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical property test technical field, especially relate to a detection device. BACKGROUND

[0002] The tool includes a mounting seat and a plurality of tool bodies provided on the mounting seat, the tool bodies are slidably provided on the mounting seat along a first horizontal direction, the tool body includes a tool frame and a pressing block, the pressing block is hinged to the tool frame and is used for clamping and fixing the workpiece in cooperation with the tool frame; before the tool is used, the pressure for driving the pressing block to move and the pulling force for driving the tool body to slide along the first horizontal direction need to be tested.

[0003] In the related art, the workers need to carry the tool to the pressure detection device and the pulling force detection device in sequence to detect the pressure and the pulling force of the tool.

[0004] However, since the tool needs to be carried between the pressure detection device and the pulling force detection device, the detection of the pressure and the pulling force of the tool is troublesome, time-consuming and laborious. SUMMARY

[0005] The utility model discloses a detection device that can simultaneously complete the detection of the pressure and the pulling force of the tool.

[0006] The detection device provided by the utility model is used for detecting the pressure and the pulling force of the tool, the tool includes a mounting seat and a plurality of tool bodies, the tool bodies are slidably provided on the mounting seat along a first horizontal direction, the tool body includes a tool frame and a pressing block, the pressing block is hinged to the tool frame, the pressing block includes a driving part that can move up and down, the detection device includes a rack, a pressure detection assembly and a pulling force detection assembly: the rack is provided with a bearing area for bearing the tool; the pressure detection assembly is provided on the rack and located on the upper side of the bearing area, the pressure detection assembly includes a first driving structure and a pressure sensor, the first driving structure is connected with the pressure sensor and is used for driving the pressure sensor to make lifting movement, so that the pressure detection end of the pressure sensor extrudes the driving part in the bearing area; the pulling force detection assembly is provided on the rack and located on one side of the bearing area in the first horizontal direction, the pulling force detection assembly includes a second driving structure and a pulling force sensor, the pulling force sensor includes a pulling force detection end for connecting with the tool body, the second driving structure is connected with the pulling force sensor and is used for driving the pulling force sensor to drive the tool body to move away from the mounting seat along the first horizontal direction.

[0007] The utility model discloses a detection device has at least the following beneficial effects: in the detection device of the application, when the pressure and tension of the fixture need to be detected, the staff can place the fixture on the bearing area, then, the first drive structure drives the pressure sensor to be close to the fixture on the bearing area downward, so that the pressure detection end of the pressure sensor extrudes the drive part of the fixture, so that the pressure sensor can complete the detection of the pressure of the fixture, the staff can make the tension detection end of the tension sensor connect with the fixture body of the fixture in the bearing area, under the drive of the second drive structure, the tension detection end of the tension sensor can drive the fixture body to move along the first horizontal direction, thereby completing the detection of the tension of the fixture. Further, the detection device of the application can complete the detection of the pressure and tension of the fixture simultaneously.

[0008] The detection device, the plurality of fixture bodies are spaced apart on the mounting seat along a second horizontal direction, the second horizontal direction is spaced apart from the first horizontal direction by a certain angle, the rack comprises a frame body and a bearing piece, the bearing piece is slidably arranged on the frame body along the second horizontal direction, the bearing area is arranged on the bearing piece, the pressure detection assembly is arranged on the frame body and located above the bearing piece, and the tension detection assembly is slidably arranged on the bearing piece along the second horizontal direction.

[0009] The detection device, the bearing piece is provided with a sliding rail extending along the second horizontal direction, the sliding rail is arranged on one side of the bearing area in the first horizontal direction, a sliding seat is slidably arranged on the sliding rail, and the tension detection assembly is arranged on the sliding seat.

[0010] The detection device further comprises a positioning assembly, and the positioning assembly is arranged on the bearing area and is used for positioning the fixture in the bearing area.

[0011] The detection device, the positioning assembly comprises a positioning rod and two positioning pieces, the two positioning pieces are distributed along the first horizontal direction, the positioning piece is provided with a positioning hole extending along the first horizontal direction, and opposite ends of the positioning rod are slidably arranged in the positioning holes of the two positioning pieces respectively, and the positioning rod is used for penetrating the penetrating hole of the mounting seat.

[0012] The detection device, the positioning assembly further comprises a locking structure, the locking structure is arranged on at least one positioning piece, and the locking structure is used for locking the positioning rod in the positioning hole.

[0013] The detection device, the hole wall of the positioning hole is provided with a threaded hole, the locking structure comprises a threaded locking piece, the threaded locking piece is arranged in the threaded hole, and the threaded locking piece is used for locking and fixing the positioning rod in cooperation with the hole wall of the positioning hole.

[0014] The detection device has the mounting groove, and the positioning member is arranged in the mounting groove.

[0015] The detection device has the mounting groove, and the positioning member is arranged in the mounting groove.

[0016] The detection device has the mounting groove, and the positioning member is arranged in the mounting groove.

[0017] Additional aspects and advantages of the present application will be described in the following description and will be apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further described below in conjunction with the drawings and embodiments.

[0019] Figure 1 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove.

[0020] Figure 2 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove. Figure 1 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove.

[0021] Figure 3 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove. Figure 2 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove.

[0022] Figure 4 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove. Figure 1 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove.

[0023] Figure 5 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove.

[0024] Figure 6 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove. Figure 5 The detection device has the mounting groove, and the positioning member is arranged in the mounting groove.

[0025] REFERENCE NUMERALS

[0026] Rack 100; frame body 110; carrier 120; carrier area 120a; slide rail 121; slide seat 122;

[0027] Pressure detection assembly 200; pressure sensor 210; pressure detection end 211; first driving structure 220; hand wheel 221;

[0028] Tension detection assembly 300; tension sensor 310; sleeve 311; scale 311a; sleeve rod 312; tension detection end 312a; pointer 312b;

[0029] Positioning assembly 400; positioning rod 410; positioning member 420; positioning hole 421; threaded hole 422; threaded locking member 423;

[0030] Jig 500; mounting seat 510; insertion hole 511; jig body 520; jig frame 521; pressing block 522; driving part 522a; hinged part 522b; pressing part 522c. DETAILED DESCRIPTION

[0031] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0032] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.

[0033] In the description of the present application, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. is not included in the number, above, below, etc. is understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0034] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be understood broadly, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0035] The following will be described with reference to Figures 1 to 6The detection device is described in detail.

[0036] The detection device is described in detail below with the first horizontal direction as the front-rear direction and the second horizontal direction as the left-right direction.

[0037] Reference Figure 5 and Figure 6 The jig 500 comprises a mounting seat 510 and a plurality of jig bodies 520, the plurality of jig bodies 520 are distributed on the mounting seat 510 in the left-right direction, the jig body 520 is slidably arranged on the mounting seat 510 in the front-rear direction, the jig body 520 comprises a jig frame 521 and a pressing block 522, the pressing block 522 comprises a driving part 522a, a hinged part 522b and a pressing part 522c, the hinged part 522b is rotatably connected with the jig frame 521 around an axis extending in the left-right direction, the driving part 522a is located at the rear side of the hinged part 522b, the pressing part 522c is located at the front side of the hinged part 522b, the driving part 522a is connected with the jig body 520 through a spring, and the spring is used to provide the driving part 522a with a spring force for keeping the driving part 522a upwardly rotated.

[0038] Reference Figures 1 to 3 According to the detection device, the pressure detection assembly 200 is arranged on the rack 100 and located directly above the bearing area 120a, the pressure detection assembly 200 comprises a first driving structure 220 and a pressure sensor 210, the first driving structure 220 is connected with the pressure sensor 210 and used to drive the pressure sensor 210 to make lifting movement, and the tension detection assembly 300 is arranged on the rack 100 and located in front of the bearing area 120a.

[0039] For example, as shown in Figure 1 and Figure 4 The rack 100 is provided with a bearing area 120a, and the jig 500 is placed in the bearing area 120a; the pressure detection assembly 200 is arranged on the rack 100 and located directly above the bearing area 120a, the pressure detection assembly 200 comprises a first driving structure 220 and a pressure sensor 210, the first driving structure 220 is connected with the pressure sensor 210 and used to drive the pressure sensor 210 to make lifting movement; the tension detection assembly 300 is arranged on the rack 100 and located in front of the bearing area 120a, the tension detection assembly 300 comprises a second driving structure (not shown in the figure) and a tension sensor 310, the second driving structure is connected with the tension sensor 310 and used to drive the tension sensor 310 to move in the front-rear direction.

[0040] In the working process of the detection device, the worker can place the jig 500 in the bearing area 120a, and the pressure sensor 210 is driven by the first driving structure 220 to move downward to the jig 500 in the bearing area 120a, so that the pressure detection end 211 of the pressure sensor 210 extrudes the driving part 522a of the jig body 520 downward, and the pressure sensor 210 can complete the detection of the pressure of the jig 500; at the same time that the pressure detection end 211 extrudes the driving part 522a downward, the pressing part 522c of the jig body 520 is upwardly buckled, at this time, the tension detection end 312a of the tension sensor 310 can smoothly enter between the pressing part 522c and the jig frame 521 under the driving of the worker, and after the first driving structure 220 drives the pressure sensor 210 to move upward away from the jig 500, the second driving structure can drive the tension sensor 310 to move forward, so that the tension detection end 312a of the tension sensor 310 drives the jig body 520 to move forward relative to the mounting seat 510, and the tension sensor 310 can complete the detection of the tension of the jig 500.

[0041] It can be understood that the detection device can complete the detection of the pressure and tension of the jig 500 at the same time, which saves time and effort.

[0042] In some embodiments of the utility model, the rack 100 includes a frame body 110 and a bearing piece 120, the bearing piece 120 is slidably arranged on the frame body 110 along the second horizontal direction, the bearing area 120a is arranged on the bearing piece 120, the pressure detection assembly 200 is arranged on the frame body 110 and located above the bearing piece 120, and the tension detection assembly 300 is slidably arranged on the bearing piece 120 along the second horizontal direction.

[0043] For example, as shown in Figure 1 The rack 100 includes a frame body 110 and a bearing piece 120, the bearing piece 120 is slidably arranged on the frame body 110 along the left-right direction, the bearing area 120a is arranged on the bearing piece 120, the pressure detection assembly 200 is arranged on the frame body 110 and located directly above the bearing area 120a, and the tension detection assembly 300 is slidably arranged on the bearing piece 120 along the left-right direction and located in front of the bearing area 120a.

[0044] It can be understood that since the plurality of jig bodies 520 are arranged on the mounting base 510, the pressure and tension of each jig body 520 need to be detected, and by slidably arranging the carrier 120 along the left-right direction, the worker can push the carrier 120 to slide along the left-right direction, so that each jig body 520 can be moved to be directly below the pressure sensor 210, so that the pressure detection assembly 200 can detect the pressure of the jig body 520, and by slidably arranging the tension detection assembly 300 along the left-right direction, the worker can push the tension detection assembly 300 to slide along the left-right direction, so that the tension sensor 310 can be moved to be directly in front of each jig body 520, so that the tension detection assembly 300 can detect the tension of the jig body 520.

[0045] In further embodiments of the present application, the carrier 120 is provided with a slide rail 121 extending in the second horizontal direction, the slide rail 121 is arranged on one side of the carrier area 120a in the first horizontal direction, and the slide rail 121 is slidably provided with a sliding seat 122, and the tension detection assembly 300 is arranged on the sliding seat 122.

[0046] For example, as shown in Figure 2 the carrier 120 is provided with a slide rail 121 extending in the left-right direction, the slide rail 121 is arranged on the front side of the carrier area 120a, the slide rail 121 is slidably provided with a sliding seat 122, and the tension detection assembly 300 is arranged on the sliding seat 122.

[0047] Further, the worker can apply a left-right directional pushing force to the tension detection assembly 300, so that the sliding seat 122 can slide along the slide rail 121 left and right, thereby completing the movement of the tension detection assembly 300 in the left-right direction.

[0048] It can be understood that the arrangement of the slide rail 121 makes the movement of the tension detection assembly 300 in the left-right direction more accurate.

[0049] In some embodiments of the present application, the detection device further comprises a positioning assembly 400, and the positioning assembly 400 is arranged on the carrier area 120a and is used for positioning the jig 500 in the carrier area 120a.

[0050] For example, as shown in Figure 2 the positioning assembly 400 is arranged on the carrier 120, and the positioning assembly 400 can position the jig 500 in the carrier area 120a.

[0051] It can be understood that the jig 500 is positioned by the positioning assembly 400, so that the pressure detection end 211 of the pressure sensor 210 can press the driving part 522a of the jig body 520 more accurately, and the tension detection end 312a of the tension sensor 310 can extend into the pressing part 522c and the jig frame 521 more accurately.

[0052] In further embodiments of the present application, the positioning assembly 400 comprises a positioning rod 410 and two positioning members 420, the two positioning members 420 are distributed along the first horizontal direction, the positioning member 420 is provided with a positioning hole 421 extending along the first horizontal direction, and the opposite ends of the positioning rod 410 are respectively and slidably arranged in the positioning holes 421 of the two positioning members 420, and the positioning rod 410 is used to pass through the insertion hole 511 of the mounting seat 510.

[0053] For example, as shown in Figure 2 The positioning assembly 400 comprises a positioning rod 410 and two positioning members 420, the two positioning members 420 are arranged in the bearing area 120a and distributed along the front-rear direction, the two positioning members 420 are further provided with front-rear extending positioning holes 421, the positioning rod 410 is arranged along the front-rear direction, and the front-rear ends of the positioning rod 410 are respectively and slidably arranged in the positioning holes 421 of the two positioning members 420; and the mounting seat 510 is provided with a front-rear extending insertion hole 511.

[0054] After the jig 500 is placed in the bearing area 120a, the worker can pass the positioning rod 410 through the positioning hole 421 and the insertion hole 511, so as to realize the positioning of the jig 500 in the bearing area 120a.

[0055] It should be noted that after the positioning rod 410 is arranged in the insertion hole 511 of the mounting seat 510, the positioning rod 410 needs to be locked and fixed, so as to reduce the probability of the positioning rod 410 being separated from the insertion hole 511.

[0056] Based on the above problems, in some embodiments of the present application, the positioning assembly 400 further comprises a locking structure, at least one positioning member 420 is provided with a locking structure, and the locking structure is used to lock the positioning rod 410 in the positioning hole 421.

[0057] Further, after the worker passes the positioning rod 410 through the positioning hole 421 and the insertion hole 511, the worker can lock the positioning rod 410 in the positioning hole 421 through the locking structure, so as to reduce the probability of the positioning rod 410 being automatically separated from the insertion hole 511 under the influence of external environment.

[0058] In further embodiments of the present application, the hole wall of the positioning hole 421 is provided with a threaded hole 422, the locking structure comprises a threaded locking piece 423, the threaded locking piece 423 is arranged in the threaded hole 422, and the threaded locking piece 423 is used for locking and fixing the positioning rod 410 in cooperation with the hole wall of the positioning hole 421.

[0059] For example, as shown in Figure 3 , the hole wall of the positioning hole 421 is provided with a vertically extending threaded hole 422, the locking structure comprises a threaded locking piece 423, the threaded locking piece 423 is arranged in the threaded hole 422.

[0060] It can be understood that when the staff needs to lock the positioning rod 410 in the positioning hole 421, the staff can tighten the threaded locking piece 423, so that the threaded locking piece 423 can cooperate with the hole wall of the positioning hole 421 to lock and fix the positioning rod 410; when the staff needs to slide the positioning rod 410 in the positioning hole 421, the staff can loosen the threaded locking piece 423, at this time, the staff can smoothly drive the positioning rod 410 to slide in the positioning hole 421 to pull out the positioning rod 410 from the insertion hole 511.

[0061] In some embodiments of the present application, the bearing area 120a is provided with a mounting groove, and the positioning piece 420 is arranged in the mounting groove.

[0062] For example, the bearing area 120a is provided with a mounting groove corresponding to the positioning piece 420, the lower end of the positioning piece 420 is arranged in the mounting groove, and the positioning piece 420 and the groove wall of the mounting groove are connected through a threaded connecting piece.

[0063] It can be understood that the mounting groove can facilitate the installation of the positioning piece 420 in the bearing area 120a, and the groove wall of the mounting groove can limit the positioning piece 420 to improve the stability of the installation of the positioning piece 420 in the bearing area 120a.

[0064] In some embodiments of the present application, referring to Figure 1 , the first driving structure 220 comprises a hand wheel 221 and a transmission structure, the pressure sensor 210 is slidably arranged on the rack 100 in the vertical direction, the hand wheel 221 is in transmission connection with the pressure sensor 210 through the transmission structure, and under the action of external force, the hand wheel 221 can be rotated to drive the transmission structure to make the pressure sensor 210 move up and down.

[0065] Further, the staff can directly control the pressure sensor 210 to move up and down by rotating the hand wheel 221.

[0066] In further embodiments of the utility model, the transmission structure comprises a lead screw and a sliding sleeve, the sliding sleeve is threadedly sleeved on the lead screw and connected with the pressure sensor 210, the lead screw extends along a vertical direction and is connected with the hand wheel 221. Furthermore, the staff rotates the hand wheel 221, the hand wheel 221 drives the lead screw to rotate, so that the lead screw can drive the sliding sleeve to make lifting movement, so that the sliding sleeve can drive the pressure sensor 210 to make lifting movement.

[0067] In further embodiments of the utility model, the transmission structure further comprises a gear and a rack, the gear is connected with the hand wheel 221, the rack is engaged with the gear, and the rack is slidably arranged on the rack 100 along a vertical direction, and the pressure sensor 210 is connected with the rack. Furthermore, during the staff drives the hand wheel 221 to rotate, the hand wheel 221 can drive the gear to rotate, so that the gear can drive the rack to make lifting movement, so that the pressure sensor 210 can make lifting movement along with the rack.

[0068] In some embodiments of the utility model, the tension sensor 310 comprises a sleeve 311 and a sleeve rod 312, the sleeve rod 312 is slidably arranged in the sleeve 311 along a first horizontal direction, a plurality of scales are arranged on the sleeve 311 and are spaced along the first horizontal direction, a pointer 312b is arranged on the sleeve rod 312, the pointer 312b points to one of the scales, and one end of the sleeve rod 312 close to the bearing area 120a forms a tension detection end 312a; the second driving structure comprises an elastic connecting piece, the elastic connecting piece is connected with the sleeve rod 312 and the sleeve 311 respectively, and is used for providing elastic force for keeping the sleeve rod 312 away from the bearing area 120a.

[0069] For example, as shown in the figure, Figure 4 The tension sensor 310 comprises a sleeve 311 and a sleeve rod 312, the sleeve rod 312 extends along the front-back direction and is slidably arranged in the sleeve 311 along the front-back direction, a plurality of scales are arranged on the sleeve 311 and are spaced along the front-back direction, a pointer 312b is arranged on the sleeve rod 312, the rear end of the sleeve rod 312 forms a tension detection end 312a, and an elastic connecting piece is connected with the sleeve rod 312 and the sleeve 311 respectively and is used for providing elastic force for sliding the sleeve rod 312 forward.

[0070] Furthermore, under the driving of the staff, the sleeve rod 312 can move backward relative to the sleeve 311, so that the tension detection end 312a is connected with the jig body 520, and in this process, the elastic connecting piece can accumulate certain elastic potential energy; after the staff removes the force applied to the sleeve rod 312, the sleeve rod 312 can slide forward under the driving of the elastic connecting piece, so that the sleeve rod 312 can pull the jig body 520 forward until the jig body 520 reaches force balance, at this time, the scale pointed by the pointer 312b on the sleeve rod 312 is the tension detected by the tension sensor 310 on the jig body 520.

[0071] It can be understood that the scale is set so that the staff can intuitively understand the pulling force detected by the pulling force sensor 310.

[0072] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A detection device, characterized in that, For testing the pressure and tension of a fixture, the fixture includes a mounting base and multiple fixture bodies. Each fixture body is slidably mounted on the mounting base along a first horizontal direction. Each fixture body includes a fixture frame and a pressure block, the pressure block being hinged to the fixture frame. The pressure block includes a vertically movable driving part. The testing device includes: A frame, wherein the frame is provided with a support area for supporting the fixture; A pressure detection assembly is mounted on the frame and located above the bearing area. The pressure detection assembly includes a first drive structure and a pressure sensor. The first drive structure is connected to the pressure sensor and is used to drive the pressure sensor to perform lifting and lowering movements so that the pressure detection end of the pressure sensor presses against the drive part in the bearing area. A tensile testing component is mounted on the frame and located on one side of the bearing area in the first horizontal direction. The tensile testing component includes a second drive structure and a tensile sensor. The tensile sensor includes a tensile testing end for connection with the fixture body. The second drive structure is connected to the tensile sensor and is used to drive the tensile sensor to move the fixture body away from the mounting base in the first horizontal direction.

2. The detection device according to claim 1, characterized in that, Multiple fixture bodies are spaced apart on the mounting base along a second horizontal direction, the second horizontal direction being spaced at a certain angle from the first horizontal direction; the frame includes a frame body and a support member, the support member being slidably disposed on the frame body along the second horizontal direction, the bearing area being disposed on the support member, the pressure detection component being disposed on the frame body and located above the support member, and the tension detection component being slidably disposed on the support member along the second horizontal direction.

3. The detection device according to claim 2, characterized in that, The support member is provided with a slide rail extending along the second horizontal direction. The slide rail is located on one side of the support area in the first horizontal direction. A slide seat is slidably provided on the slide rail, and the tension detection component is located on the slide seat.

4. The detection device according to claim 1, characterized in that, It also includes a positioning component, which is disposed in the bearing area and is used to position the fixture within the bearing area.

5. The detection device according to claim 4, characterized in that, The positioning assembly includes a positioning rod and two positioning elements. The two positioning elements are distributed along the first horizontal direction. Each positioning element has a positioning hole extending along the first horizontal direction. The opposite ends of the positioning rod are slidably inserted into the positioning holes of the two positioning elements. The positioning rod is used to pass through the insertion hole of the mounting base.

6. The detection device according to claim 5, characterized in that, The positioning assembly further includes a locking structure, at least one of the positioning members is provided with the locking structure, the locking structure is used to lock the positioning rod in the positioning hole.

7. The detection device according to claim 6, characterized in that, The positioning hole has a threaded hole in its wall, and the locking structure includes a threaded locking member that passes through the threaded hole and is used to lock and fix the positioning rod in conjunction with the wall of the positioning hole.

8. The detection device according to claim 5, characterized in that, The bearing area is provided with an installation groove, and the positioning element passes through the installation groove.

9. The detection device according to claim 1, characterized in that, The first driving structure includes a handwheel and a transmission structure. The pressure sensor is slidably mounted on the frame in the vertical direction. The handwheel is connected to the pressure sensor through the transmission structure. Under the action of external force, the handwheel can rotate so that the transmission structure can drive the pressure sensor to move up and down.

10. A detection device according to claim 9, characterized in that, The tension sensor includes a sleeve and a rod. The rod is slidably inserted into the sleeve along the first horizontal direction. The sleeve has multiple graduations spaced apart along the first horizontal direction. The rod has a pointer that points to one of the graduations. The end of the rod near the bearing area forms the tension detection end. The second driving structure includes an elastic connector that is connected to both the rod and the sleeve, and provides an elastic force to keep the rod away from the bearing area.

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