A cable clamp with a function of measuring compression amount of a center split seal

Abstract

A kind of cable clamp with the function of measuring the compression amount of middle split seal strip, comprising upper half cable clamp, lower half cable clamp, seal strip, at least one measuring device, measuring device includes first pointer, second pointer, scale, guide frame, scale includes scale board, scale board side is equipped with multiple equidistant scale lines, first pointer, second pointer are located above the side of scale board with scale line, guide frame is located above scale board, the side of scale board away from scale line and the side of guide frame are slidably connected, first pointer, guide frame are fixedly connected with upper half cable clamp, second pointer, scale are fixedly connected with lower half cable clamp, the bottom surface of first pointer is flush with the lower end surface of upper half cable clamp, the top surface of second pointer is flush with the upper end surface of lower half cable clamp.Therefore, the real compression amount of seal strip can be quickly and accurately obtained by the design.

Description

Technical Field

[0001] This invention relates to a cable clamp, belonging to the field of bridge cable clamps, and particularly to a cable clamp with the function of measuring the compression of the center sealing strip. Background Technology

[0002] In the cable system of a suspension bridge, the cable clamp, as a core component connecting the main cable and the bridge deck suspenders, consists of two half-clips joined together. The mating surfaces of the two half-clips form a split surface, with a sealing strip between them for sealing. During installation, the clamping force of the two half-clips causes the sealing strip to compress and deform, achieving stable clamping of the main cable and preventing rainwater and debris from entering. However, excessive compression of the sealing strip during installation can lead to its breakage and failure, while insufficient compression will compromise the clamping effect and sealing performance of the main cable. Therefore, it is necessary to measure the compression of the sealing strip at the split surface to ensure that the compression meets requirements. Currently, monitoring the compression of the sealing strip relies on repeated, multi-point manual measurements of the actual height of the sealing strip. Due to differences in the experience, feel, and perspective of the measuring personnel, it is impossible to quickly and accurately obtain the true compression of the sealing strip.

[0003] Chinese patent application No. 202310754053.1, filed on June 26, 2023, discloses a smart cable clamp with left and right locking screw preload monitoring, comprising a left half clamp, a right half clamp, a main cable, an upper screw, and a pressure sensor. A main cable placement cavity is formed between the right side of the left half clamp and the left side of the right half clamp, with the main cable positioned within the cavity and its two ends axially penetrating the cavity and extending outwards. The tops of the left and right half clamps are connected by the upper screw, and the tops of the left and right half clamps are connected by the lower screw, with the left and right ends of the upper and lower screws respectively penetrating the left and right half clamps. Although this patent uses a pressure sensor to detect the screw preload in real time, it still has the following drawbacks: This design can only measure the preload force, which cannot directly and accurately reflect the actual compression state of the sealing strip, and still cannot quickly and accurately obtain the true compression amount of the sealing strip.

[0004] The information disclosed in this background section is intended only to enhance the understanding of the overall background of this patent application and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Summary of the Invention

[0005] The purpose of this invention is to overcome the defects and problems in the prior art that cannot quickly and accurately obtain the true compression amount of the sealing strip, and to provide a cable clip that can quickly and accurately obtain the true compression amount of the sealing strip and has the function of measuring the compression amount of the split-face sealing strip.

[0006] To achieve the above objectives, the technical solution of the present invention is: a cable clamp with the function of measuring the compression of the center sealing strip, the cable clamp comprising an upper cable clamp, a lower cable clamp, a sealing strip, and at least one measuring device; The measuring device includes a first pointer, a second pointer, a scale, and a guide frame; the scale includes a scale plate, and one side of the outer surface of the scale plate is provided with multiple equidistant scale lines along the height direction; one end of the first pointer and the second pointer are respectively located above the side of the scale plate where the scale lines are located, the guide frame is located above the scale plate, and the side of the scale plate away from the scale lines is slidably engaged with one side of the guide frame; The lower end face of the upper cable clamp is tightly fitted with the upper end face of the sealing strip, and the lower end face of the sealing strip is tightly fitted with the upper end face of the lower cable clamp; the other end of the first pointer is fixedly connected to the upper cable clamp, and the bottom surface of the first pointer is flush with the lower end face of the upper cable clamp; the other end of the second pointer is fixedly connected to the lower cable clamp, and the top surface of the second pointer is flush with the upper end face of the lower cable clamp; the lower end of the scale is fixedly connected to the lower cable clamp, and the guide frame is fixedly connected to the upper cable clamp.

[0007] The number of measuring devices is four, and the four measuring devices are located on the two sides of the upper half clamp and the lower half clamp, respectively. Two measuring devices are respectively located on the left and right sides of the upper and lower cable clamps near the front end of the sealing strip. The other two measuring devices are respectively located on the left and right sides of the upper and lower cable clamps near the rear end of the sealing strip. The two measuring devices near the front end of the sealing strip are symmetrical about the center line of the upper and lower cable clamps along their length, and the two measuring devices near the rear end of the sealing strip are symmetrical about the center line of the upper and lower cable clamps along their length.

[0008] The number of measuring devices is four, with two measuring devices located on the front face of the upper half clamp and the lower half clamp respectively, and the other two measuring devices located on the rear face of the upper half clamp and the lower half clamp respectively. The two measuring devices located on the front end face are symmetrical about the inner hole axes of the upper and lower cable clamps, and the two measuring devices located on the rear end face are symmetrical about the inner hole axes of the upper and lower cable clamps.

[0009] The first scale line on the lower part of the outer surface of the scale plate is the zero scale line, and the distance between adjacent scale lines is 0.1 mm; The zero mark is flush with the upper surface of the lower half of the clip, and the zero mark is flush with the top surface of the second pointer.

[0010] The scale plate has scale markings on one side along the height direction. The scale markings start from the zero mark and increase sequentially from bottom to top. Each scale marking matches the reading of the corresponding scale mark.

[0011] The scale also includes a base plate; the base plate is perpendicular to the scale plate, and the middle part of the base plate is connected to the lower end of the scale plate. The base plate is provided with several connecting through holes, which are oblong in shape; the base plate is tightly attached to the lower half of the cable clamp and is fixedly connected to the lower half of the cable clamp through the connecting through holes.

[0012] The guide frame includes an integrally formed mounting plate and a guide plate; the inner surface of the mounting plate is higher than the inner surface of the guide plate, forming a stepped structure; The inner surface of the mounting plate is tightly attached to the surface of the upper cable clamp and fixedly connected. The inner surface of the guide plate and the surface of the upper cable clamp form an opening groove. The scale plate is slidably embedded in the opening groove on the side away from the scale line.

[0013] The first pointer includes a first fixed base and a first measuring arm. The first fixed base is fixedly connected to the upper half of the cable clamp. One end of the first measuring arm is connected to the middle of the first fixed base, and the other end of the first measuring arm is located above the side of the scale plate with scale lines. The second pointer includes a second fixed base and a second measuring arm. The second fixed base is fixedly connected to the lower half of the cable clamp. One end of the second measuring arm is connected to the middle of the second fixed base, and the other end of the second measuring arm is located above the side of the scale plate with scale lines.

[0014] The first measuring arm includes a first plane, a first inclined plane, a first bottom surface, a first back surface, and a first top surface. One side of the first plane is connected to one side of the first inclined plane, the other side of the first inclined plane is connected to one side of the first bottom surface, the other side of the first bottom surface is connected to one side of the first back surface, the other side of the first back surface is connected to one side of the first top surface, and the other side of the first top surface is connected to the other side of the first plane. The first back surface is a flat surface, and the first back surface is fitted with the side of the scale plate with scale lines with a small gap; the length of the first top surface is the same as the length of the first bottom surface, the width of the first bottom surface is less than the width of the first top surface, and the first bottom surface is flush with the lower end surface of the upper half cable clamp.

[0015] The second measuring arm includes a second inclined surface, a second plane, a second bottom surface, a second back surface, and a second top surface. One side of the second inclined surface is connected to one side of the second plane, the other side of the second plane is connected to one side of the second bottom surface, the other side of the second bottom surface is connected to one side of the second back surface, the other side of the second back surface is connected to one side of the second top surface, and the other side of the second top surface is connected to the other side of the second inclined surface. The second back surface is flat, and it is fitted with the scale plate with a small gap. The length of the second top surface is the same as the length of the second bottom surface, the width of the second top surface is less than the width of the second bottom surface, and the second top surface is flush with the upper end surface of the lower half of the cable clamp.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. This invention provides a cable clamp with the function of measuring the compression of the center-part sealing strip, comprising an upper cable clamp, a lower cable clamp, a sealing strip, and a measuring device. The measuring device includes a first pointer, a second pointer, a scale, and a guide frame. The scale includes a scale plate with multiple equidistant scale lines on one side. The first and second pointers are located above the scale plate, and the guide frame is located above the scale plate and slides in cooperation with it. The first pointer and the guide frame are fixedly connected to the upper cable clamp, and the second pointer and the scale are fixedly connected to the lower cable clamp. The bottom surface of the first pointer is flush with the lower end face of the upper cable clamp, and the top surface of the second pointer is flush with the upper end face of the lower cable clamp. In application, the lower cable clamp is first placed below the main cable, so that the main cable is embedded in the arc-shaped groove of the lower cable clamp. The sealing strip is installed in the center-part sealing groove, and then the upper cable clamp is fastened. The upper cable clamp and the lower cable clamp are connected by bolt assemblies. The upper and lower cable clamps are connected but not pressure is applied. At this time, the lower end face of the upper cable clamp is in close contact with the upper end face of the sealing strip, and the lower end face of the sealing strip is in close contact with the upper end face of the lower cable clamp. The initial reading of the first pointer on the scale is read. Then, the bolt assembly is gradually tightened. The upper cable clamp moves downward under the tension of the bolts, applying vertical pressure to the sealing strip, causing the sealing strip to undergo uniform compression deformation along the outer circumference of the main cable. The arc-shaped inner walls of the upper and lower cable clamps gradually hug the main cable. During this process, the upper cable clamp drives the first pointer to move downward synchronously, while the second pointer and scale fixed to the lower cable clamp remain stationary. As the upper cable clamp continues to approach the lower cable clamp, the indicated position of the first pointer on the scale continuously decreases. The current reading of the first pointer is read, and the difference between the current reading and the initial reading is the amount of compression of the sealing strip. The advantages of this invention also include: First point: The current reading and the initial reading are both measured with the upper end face of the lower half of the cable clamp as the reference, and the displacement of the first pointer is completely synchronized with the downward movement of the upper half of the cable clamp to ensure that the difference can truly reflect the actual compression of the sealing strip; Secondly, there is no need for repeated manual measurements or multiple data comparisons. The result can be obtained simply by reading the initial and current readings and calculating the difference during the installation process, which greatly shortens the measurement time. Thirdly, the unified benchmark eliminates errors caused by inconsistent benchmarks, and the synchronous displacement design avoids deviations caused by differences in experience, feel, and perspective during manual measurement, making the compression data accurate and reliable. Therefore, the present invention can quickly and accurately obtain the true compression amount of the sealing strip.

[0017] 2. In this invention, a cable clamp with the function of measuring the compression of a split-face sealing strip comprises four measuring devices located on both sides of the upper and lower half of the cable clamp. Two measuring devices are respectively positioned on the left and right sides of the upper and lower half of the cable clamp near the front end of the sealing strip, and the other two measuring devices are respectively positioned on the left and right sides of the upper and lower half of the cable clamp near the rear end of the sealing strip. In application, the four measuring devices simultaneously acquire compression data at different positions of the sealing strip. The two devices on the left and right sides near the front end record the compression at the left and right front ends of the sealing strip, respectively. Two devices on the side near the rear end simultaneously measure the compression amount on the left and right sides of the rear end of the sealing strip. By comparing the compression amounts on the left and right sides of the front and rear ends, it is possible to intuitively determine whether the compression of the sealing strip is uniform in the width direction. Furthermore, comparing the compression amounts on the left and right sides of the front and rear ends, and on the right and rear ends, clearly reveals the compression variation of the sealing strip in the length direction. This multi-point synchronous measurement method not only obtains the specific compression values ​​at each key location but also allows for the analysis of differences in compression amounts at different locations to determine the overall compression distribution of the sealing strip. Therefore, this invention can not only quickly and accurately obtain the true compression amount of the sealing strip but also detect the uniformity of compression.

[0018] 3. In the cable clamp of the present invention, which has the function of measuring the compression of the center sealing strip, the guide frame includes a mounting plate and a guide plate. The inner surface of the mounting plate is higher than the inner surface of the guide plate. The inner surface of the mounting plate is tightly fitted and fixedly connected to the surface of the upper half of the cable clamp. The inner surface of the guide plate and the surface of the upper half of the cable clamp form an open groove. The scale plate is slidably embedded in the open groove on the side away from the scale line. In application, the stepped structure of the guide frame is fixed by the tight fit between the mounting plate and the upper half of the cable clamp, providing rigid support for the sliding of the scale plate. The open groove formed by the guide plate and the upper half of the cable clamp... A precise guide and vertical constraint are formed on one side of the scale plate. When the upper clamp moves the guide frame downward, the scale plate slides smoothly along the opening groove. The two side walls of the opening groove restrict the scale plate from shifting in the height direction, ensuring that the scale plate always remains vertical and avoiding tilting or deviation in the height direction. This ensures that the scale lines are always consistent with the measurement directions of the first and second pointers. The displacement change of the pointers on the scale plate can accurately reflect the actual compression of the sealing strip, eliminating deviations caused by abnormal scale plate posture, ensuring consistent measurement benchmarks, and thus further improving the accuracy of sealing strip compression measurement. Therefore, this invention can not only detect compression uniformity but also improve the accuracy of sealing strip compression measurement. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the measuring device in this invention.

[0020] Figure 2 This is a side view of the measuring device in this invention.

[0021] Figure 3 This is a top view of the measuring device in this invention.

[0022] Figure 4 It is consistent with the present invention. Figure 1 A schematic diagram of a symmetrically arranged measuring device.

[0023] Figure 5 It is consistent with the present invention. Figure 1 Side view of a symmetrically arranged measuring device.

[0024] Figure 6 It is consistent with the present invention. Figure 1 A top view of a symmetrically arranged measuring device.

[0025] Figure 7 This is a schematic diagram of the existing cable clamp structure.

[0026] Figure 8 This is a schematic diagram of the end face structure of an existing cable clamp.

[0027] Figure 9 This is a top view of the existing cable clamp.

[0028] Figure 10This is the main view of the first pointer in this invention.

[0029] Figure 11 This is a side view of the first pointer in this invention.

[0030] Figure 12 This is a top view of the first pointer in this invention.

[0031] Figure 13 This is a top view of the second pointer in this invention.

[0032] Figure 14 This is a top view of the guide frame in this invention.

[0033] Figure 15 This is the front view of the guide frame in this invention.

[0034] Figure 16 This is a side view of the guide frame in this invention.

[0035] Figure 17 This is a schematic diagram of the scale ruler in this invention.

[0036] Figure 18 It is in this invention and Figure 17 A schematic diagram of a symmetrically arranged ruler.

[0037] Figure 19 This is a schematic diagram of the distribution of the measuring device in Embodiment 2 of the present invention.

[0038] Figure 20 This is a schematic diagram of the front and rear end faces of the cable clamp in Embodiment 2 of the present invention.

[0039] Figure 21 This is a top view of Embodiment 2 of the present invention.

[0040] Figure 22 This is a schematic diagram of the distribution of the measuring device in Embodiment 3 of the present invention.

[0041] Figure 23 This is a top view of Embodiment 3 of the present invention.

[0042] Figure 24 This is a schematic diagram of the front and rear end faces of the cable clamp in Embodiment 3 of the present invention.

[0043] Figure 25 This is a partially enlarged structural diagram of Embodiment 2 of the present invention.

[0044] Figure 26 This is a partially enlarged structural schematic diagram of Embodiment 3 of the present invention.

[0045] In the diagram: 1. Upper cable clamp; 2. Lower cable clamp; 3. Sealing strip; 4. Measuring device; 41. First pointer; 411. First fixed base; 412. First measuring arm; 413. First plane; 414. First back surface; 415. First top surface; 416. First bottom surface; 417. Second pointer; 421. Second fixed base; 422. Second measuring arm; 423. Second inclined surface; 424. Second plane; 425. Second bottom surface; 426. Second back surface; 427. Second top surface; 43. Scale; 431. Base plate; 432. Scale plate; 433. Connecting through hole; 434. Scale line; 435. Scale reading; 44. Guide frame; 441. Mounting plate; 442. Guide plate; 5. Connector. Detailed Implementation

[0046] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0047] See Figure 1 — Figure 26 A cable clamp with the function of measuring the compression of the split-face sealing strip, the cable clamp includes an upper cable clamp 1, a lower cable clamp 2, a sealing strip 3, and at least one measuring device 4; The measuring device 4 includes a first pointer 41, a second pointer 42, a scale 43, and a guide frame 44. The scale 43 includes a scale plate 432, and one side of the outer surface of the scale plate 432 is provided with multiple equidistant scale lines 434 along the height direction. One end of the first pointer 41 and the second pointer 42 are respectively located above the side of the scale plate 432 where the scale lines 434 are located. The guide frame 44 is located above the scale plate 432, and the side of the scale plate 432 away from the scale lines 434 is slidably engaged with one side of the guide frame 44. The lower end face of the upper cable clamp 1 is tightly fitted with the upper end face of the sealing strip 3, and the lower end face of the sealing strip 3 is tightly fitted with the upper end face of the lower cable clamp 2; the other end of the first pointer 41 is fixedly connected to the upper cable clamp 1, and the bottom surface of the first pointer 41 is flush with the lower end face of the upper cable clamp 1; the other end of the second pointer 42 is fixedly connected to the lower cable clamp 2, and the top surface of the second pointer 42 is flush with the upper end face of the lower cable clamp 2; the lower end of the scale 43 is fixedly connected to the lower cable clamp 2, and the guide frame 44 is fixedly connected to the upper cable clamp 1.

[0048] The number of measuring devices 4 is four, and the four measuring devices 4 are respectively located on the two sides of the upper half cable clamp 1 and the lower half cable clamp 2; Two measuring devices 4 are respectively located on the left and right sides of the upper cable clamp 1 and the lower cable clamp 2 near the front end of the sealing strip 3. The other two measuring devices 4 are respectively located on the left and right sides of the upper cable clamp 1 and the lower cable clamp 2 near the rear end of the sealing strip 3. The two measuring devices 4 near the front end of the sealing strip 3 are symmetrical about the center line of the upper cable clamp 1 and the lower cable clamp 2 in the length direction. The two measuring devices 4 near the rear end of the sealing strip 3 are symmetrical about the center line of the upper cable clamp 1 and the lower cable clamp 2 in the length direction.

[0049] The number of measuring devices 4 is four, of which two measuring devices 4 are located on the front end faces of the upper half cable clamp 1 and the lower half cable clamp 2 respectively, and the other two measuring devices 4 are located on the rear end faces of the upper half cable clamp 1 and the lower half cable clamp 2 respectively. The two measuring devices 4 located on the front end face are symmetrical about the inner hole axes of the upper half cable clamp 1 and the lower half cable clamp 2, and the two measuring devices 4 located on the rear end face are symmetrical about the inner hole axes of the upper half cable clamp 1 and the lower half cable clamp 2.

[0050] The first scale line 434 on the lower part of the outer surface of the scale plate 432 is the zero scale line, and the spacing between adjacent scale lines 434 is 0.1mm; The zero mark is flush with the upper surface of the lower half of the clip 2, and the zero mark is flush with the top surface of the second pointer 42.

[0051] The scale plate 432 has a scale reading 435 on one side with scale lines 434 along the height direction. The scale reading 435 starts from the zero scale line and increases sequentially from bottom to top. Each scale reading 435 matches the reading of the corresponding scale line 434.

[0052] The scale 43 also includes a base plate 431; the base plate 431 is perpendicular to the scale plate 432, and the middle part of the base plate 431 is connected to the lower end of the scale plate 432. The base plate 431 is provided with a plurality of connecting through holes 433, the connecting through holes 433 being oblong; the base plate 431 is tightly fitted with the lower half cable clamp 2 and is fixedly connected to the lower half cable clamp 2 through the connecting through holes 433.

[0053] The guide frame 44 includes an integrally formed mounting plate 441 and a guide plate 442; the inner surface of the mounting plate 441 is higher than the inner surface of the guide plate 442, forming a stepped structure. The inner surface of the mounting plate 441 is tightly attached to the surface of the upper cable clamp 1 and fixedly connected. The inner surface of the guide plate 442 forms an opening groove with the surface of the upper cable clamp 1. The scale plate 432 is slidably embedded in the opening groove on the side away from the scale line 434.

[0054] The first pointer 41 includes a first fixed base 411 and a first measuring arm 412. The first fixed base 411 is fixedly connected to the upper half cable clip 1. One end of the first measuring arm 412 is connected to the middle of the first fixed base 411, and the other end of the first measuring arm 412 is located above the side of the scale plate 432 where the scale line 434 is provided. The second pointer 42 includes a second fixed base 421 and a second measuring arm 422. The second fixed base 421 is fixedly connected to the lower half cable clip 2. One end of the second measuring arm 422 is connected to the middle of the second fixed base 421, and the other end of the second measuring arm 422 is located above the side of the scale plate 432 where the scale line 434 is provided.

[0055] The first measuring arm 412 includes a first plane 413, a first inclined plane 414, a first bottom surface 417, a first back surface 415, and a first top surface 416. One side of the first plane 413 is connected to one side of the first inclined plane 414, the other side of the first inclined plane 414 is connected to one side of the first bottom surface 417, the other side of the first bottom surface 417 is connected to one side of the first back surface 415, the other side of the first back surface 415 is connected to one side of the first top surface 416, and the other side of the first top surface 416 is connected to the other side of the first plane 413. The first back surface 415 is a plane, and the first back surface 415 is fitted with the side of the scale plate 432 with scale lines 434 with a small gap; the length of the first top surface 416 is the same as the length of the first bottom surface 417, the width of the first bottom surface 417 is less than the width of the first top surface 416, and the first bottom surface 417 is flush with the lower end surface of the upper half cable clamp 1.

[0056] The second measuring arm 422 includes a second inclined surface 423, a second plane 424, a second bottom surface 425, a second back surface 426, and a second top surface 427. One side of the second inclined surface 423 is connected to one side of the second plane 424, the other side of the second plane 424 is connected to one side of the second bottom surface 425, the other side of the second bottom surface 425 is connected to one side of the second back surface 426, the other side of the second back surface 426 is connected to one side of the second top surface 427, and the other side of the second top surface 427 is connected to the other side of the second inclined surface 423. The second back surface 426 is a flat surface, and the second back surface 426 is fitted with the side of the scale plate 432 with scale lines 434 with a small gap; the length of the second top surface 427 is the same as the length of the second bottom surface 425, the width of the second top surface 427 is less than the width of the second bottom surface 425, and the second top surface 427 is flush with the upper end surface of the lower half cable clip 2.

[0057] The following are supplementary descriptions of the present invention: In this invention, the seat plate 431 is preferably tightly fitted with the lower half cable clamp 2, and the bolt is threadedly fixed to the lower half cable clamp 2 after passing through the connecting through hole 433.

[0058] Preferably, the first pointer 41 and the second pointer 42 have the same structure and size and are symmetrically arranged.

[0059] In this invention, the distance between the inner surface of the guide plate 442 and the surface of the scale plate 432 away from the scale line 434 is preferably 0.05-0.15mm, and more preferably 0.1mm. The main reason is that this range can avoid motion interference caused by the accumulation of manufacturing tolerances or micro-deformation of the parts due to the distance being too small (<0.05mm), and can also prevent tilting caused by insufficient lateral constraint on the scale plate due to the distance being too large (>0.15mm).

[0060] Example 1: See Figure 1 — Figure 26 A cable clamp with the function of measuring the compression of a split-face sealing strip, the cable clamp comprising an upper cable clamp 1, a lower cable clamp 2, a sealing strip 3, and at least one measuring device 4; the measuring device 4 comprising a first pointer 41, a second pointer 42, a scale 43, and a guide frame 44; the scale 43 comprising a scale plate 432, wherein one side of the outer surface of the scale plate 432 is provided with multiple equidistant scale lines 434 along the height direction; one end of the first pointer 41 and the second pointer 42 are respectively located above the side of the scale plate 432 where the scale lines 434 are located, the guide frame 44 is located above the scale plate 432, and the scale plate 432 is located away from the scale lines 434. One side of the guide frame 44 is slidably engaged with the other side of the guide frame 44; the lower end face of the upper half cable clamp 1 is tightly fitted with the upper end face of the sealing strip 3, and the lower end face of the sealing strip 3 is tightly fitted with the upper end face of the lower half cable clamp 2; the other end of the first pointer 41 is fixedly connected to the upper half cable clamp 1, and the bottom surface of the first pointer 41 is flush with the lower end face of the upper half cable clamp 1; the other end of the second pointer 42 is fixedly connected to the lower half cable clamp 2, and the top surface of the second pointer 42 is flush with the upper end face of the lower half cable clamp 2; the lower end of the scale 43 is fixedly connected to the lower half cable clamp 2, and the guide frame 44 is fixedly connected to the upper half cable clamp 1.

[0061] In application, first place the lower half-clamp 2 below the main cable, so that the main cable is embedded in the arc-shaped groove of the lower half-clamp 2. Install the sealing strip 3 in the sealing groove of the split surface, and then fasten the upper half-clamp 1. Connect the upper half-clamp 1 and the lower half-clamp 2 through the connector 5 (such as a bolt assembly) without applying pressure. At this time, the lower end face of the upper half-clamp 1 is in close contact with the upper end face of the sealing strip 3, and the lower end face of the sealing strip 3 is in close contact with the upper end face of the lower half-clamp 2. Read the initial reading L0 of the first pointer 41 on the scale plate 432. When the top surface of the second pointer 42 is flush with the upper end surface of the lower half clamp 2, the initial reading L0 represents the free height of the sealing strip 3. Then, the upper half clamp 1 is gradually driven downward through the connecting piece 5 (such as a bolt assembly). The lower end surface of the upper half clamp 1 begins to squeeze the sealing strip 3, causing the sealing strip 3 to gradually undergo compression deformation. The arc-shaped inner walls of the upper half clamp 1 and the lower half clamp 2 gradually tighten around the main cable. During this process, the upper half clamp 1 drives the first pointer 41 to move downward synchronously, while the lower half clamp 2... The fixedly connected second pointer 42 and scale 43 remain stationary. As the upper cable clamp 1 continues to approach the lower cable clamp 2, the indicated position of the first pointer 41 on the scale plate 432 continuously decreases. The current reading L1 of the first pointer 41 is then read, and the difference between the current reading and the initial reading is the compression amount of the sealing strip 3. Since both measurements are based on the upper end face of the lower cable clamp 2, and the displacement of the first pointer 41 is completely consistent with the downward movement of the upper cable clamp 1, the difference between the initial reading L0 and the current reading L1 is the actual height of the compression of the sealing strip 3, i.e., its true compression amount. In addition, since the scale plate 432 is relatively long and thin, it is easy to tilt along the height direction when unsupported. Through the sliding cooperation between the guide frame 44 and one side of the scale plate 432, when the upper cable clamp 1 moves down, the scale plate 432 slides smoothly along the guide frame 44 and forms a vertical constraint, ensuring that the scale plate 432 always remains vertical and avoiding deviations caused by tilting.

[0062] Example 2: The basic content is the same as in Embodiment 1, except that: there are four measuring devices 4, which are located on both sides of the upper cable clamp 1 and the lower cable clamp 2 respectively; two measuring devices 4 are respectively located on the left and right sides of the upper cable clamp 1 and the lower cable clamp 2 near the front end of the sealing strip 3, and the other two measuring devices 4 are respectively located on the left and right sides of the upper cable clamp 1 and the lower cable clamp 2 near the rear end of the sealing strip 3; the two measuring devices 4 near the front end of the sealing strip 3 are symmetrical about the center line of the length direction of the upper cable clamp 1 and the lower cable clamp 2, and the two measuring devices 4 near the rear end of the sealing strip 3 are symmetrical about the center line of the length direction of the upper cable clamp 1 and the lower cable clamp 2.

[0063] In application, since suspension bridge cable clamps are mostly long strip structures, the sealing strip 3 is prone to uneven distribution of bolt preload, cable clamp manufacturing errors, or main cable tension along its length, resulting in inconsistent compression at different locations. Single-point measurement can only reflect the local state and cannot comprehensively assess the overall compression uniformity. Therefore, by using four measuring devices 4 distributed on both sides of the upper cable clamp 1 and the lower cable clamp 2, multi-point synchronous monitoring can be achieved, directly obtaining the compression data of the sealing strip 3 at different positions on the side of the cable clamp. The measuring devices 4 are symmetrically set on both sides of the upper cable clamp 1 and the lower cable clamp 2 near the front and rear ends of the sealing strip 3 because the front end of the sealing strip 3 is close to the main cable inlet and is easily affected by the main cable tension, while the rear end of the sealing strip 3 may accumulate stress due to the bolt tightening sequence. These two areas are the most prone to deviation in compression deformation. When the cable clamp closes via connector 5, two measuring devices 4 on both sides near the front end simultaneously measure the compression of the front area of ​​the sealing strip 3, while two measuring devices 4 on both sides near the rear end simultaneously monitor the compression of the rear area. Since each measuring device 4 is symmetrically arranged about the centerline of the cable clamp's length, the difference in measured values ​​between the front and rear ends of the same side can be used to determine whether the compression of the sealing strip 3 on that side is uniform. Simultaneously, by comparing readings at corresponding positions on the left and right sides (e.g., the left front end and the right front end), it is possible to visually determine whether the cable clamp is skewed, thus preventing sealing failure of the sealing strip 3 due to uneven force on one side. By comparing the average values ​​of the left and right sides, the compression uniformity of the sealing strip 3 in the width direction of the cable clamp can be further evaluated. If the difference in the measured values ​​at the front and rear ends of any side exceeds the design threshold, it indicates that the sealing strip 3 on that side is not compressed evenly, and the connecting piece 5 at the corresponding position needs to be adjusted. If the difference in the average measured values ​​of the left and right sides is significant, it indicates that the sealing strip 3 is subjected to uneven force in the width direction, and the overall pre-tightening force of the cable clamp needs to be optimized. In addition, if the upper half cable clamp 1 and the lower half cable clamp 2 are long, in order to improve the measurement accuracy, a pair of measuring devices 4 can be symmetrically set in the middle of the two sides of the upper half cable clamp 1 and the lower half cable clamp 2.

[0064] Example 3: The basic content is the same as in Embodiment 1, except that: the number of measuring devices 4 is four, of which two measuring devices 4 are located on the front end faces of the upper half clamp 1 and the lower half clamp 2 respectively, and the other two measuring devices 4 are located on the rear end faces of the upper half clamp 1 and the lower half clamp 2 respectively; the two measuring devices 4 located on the front end faces are symmetrical about the inner hole axis of the upper half clamp 1 and the lower half clamp 2, and the two measuring devices 4 located on the rear end faces are symmetrical about the inner hole axis of the upper half clamp 1 and the lower half clamp 2.

[0065] In application, four measuring devices 4 distributed on the front and rear faces of the upper cable clamp 1 and the lower cable clamp 2 can directly acquire the compression data of the sealing strip 3 at both ends of the cable clamp along the axial direction. When the cable clamp is closed by the connector 5, the two measuring devices 4 on the front face simultaneously measure the compression of the sealing strip 3 at the main cable inlet, while the two measuring devices 4 on the rear face monitor the compression at the outlet. Since each measuring device 4 is symmetrically arranged about the axis of the cable clamp's inner hole, the uniformity of the compression of the sealing strip 3 on the end face can be determined by comparing the differences in the measured values ​​on the left and right sides of the same end face. Simultaneously, for... By comparing the average values ​​of the front and rear faces, the compression uniformity of the sealing strip 3 in the axial direction of the cable clamp is evaluated. If the difference between the left and right sides of either end face exceeds the design threshold, it indicates that the sealing strip 3 is not compressed evenly on that end face, and the connecting piece 5 at the corresponding position needs to be adjusted. If the average values ​​of the front and rear faces are significantly different, it indicates that the sealing strip 3 is subjected to uneven axial force, and the overall preload of the cable clamp needs to be optimized. In addition, if the upper half cable clamp 1 and the lower half cable clamp 2 are long, in order to improve measurement accuracy, a pair of measuring devices 4 can be symmetrically set in the middle of the two sides of the upper half cable clamp 1 and the lower half cable clamp 2.

[0066] Example 4: The basic content is the same as in Embodiment 1, except that: the first scale line 434 on the lower part of the outer surface of the scale plate 432 is the zero scale line, and the distance between adjacent scale lines 434 is 0.1mm; the zero scale line is flush with the upper end surface of the lower half cable clip 2, and the zero scale line is flush with the top surface of the second pointer 42.

[0067] In application, the zero mark is aligned with the upper surface of the lower half clamp 2 and the top surface of the second pointer, making the measurement reference more intuitive and stable. In the initial state, the scale indicated by the first pointer 41 corresponds to the free height of the sealing strip. The 0.1mm spacing between adjacent scale marks can accurately capture the tiny compression changes of the sealing strip, avoiding the loss of accuracy caused by excessive scale intervals, and also avoiding the difficulty of reading due to excessively dense scales. This improves the accuracy of compression measurement to the 0.1mm level, balancing measurement accuracy and ease of operation.

[0068] Example 5: The basic content is the same as in Embodiment 1, except that: the scale plate 432 has a scale reading 435 on the side with scale lines 434 along the height direction. The scale reading 435 starts from the zero scale line and increases sequentially from bottom to top. Each scale reading 435 matches the reading of the corresponding scale line 434.

[0069] In application, the scale reading 435 is a numerical identifier that increases from bottom to top starting from the zero mark, precisely matching the reading of the corresponding scale line 434. Operators do not need to repeatedly compare and convert; they can directly read the value of the scale reading 435 indicated by the first pointer 41 to quickly obtain the free height or compressed height of the sealing strip 3. In complex environments such as low light, this effectively reduces the risk of misreading by relying solely on the scale lines. At the same time, the scale reading 435 adopts an interval marking design (such as marking the corresponding value every 5 scale lines 434), which clearly defines the measurement range through numbers while avoiding visual confusion caused by dense markings. It balances reading clarity and convenience while ensuring measurement accuracy, allowing operators to quickly locate the range and accurately determine the specific value by using the spacing between the scale lines, achieving efficient and accurate measurement.

[0070] Example 6: The basic content is the same as in Embodiment 1, except that: the scale 43 also includes a base plate 431; the base plate 431 is perpendicular to the scale plate 432, and the middle part of the base plate 431 is connected to the lower end of the scale plate 432; the base plate 431 is provided with a plurality of connecting through holes 433, and the connecting through holes 433 are oblong; the base plate 431 is tightly attached to the lower half cable clamp 2 and is fixedly connected to the lower half cable clamp 2 through the connecting through holes 433.

[0071] When in use, the base plate 431 is perpendicular to the scale plate 432, which ensures that the scale plate 432 always remains vertical and avoids tilting due to installation or force, providing a stable reference for measurement. The elongated oval connecting through hole 433 facilitates vertical fine adjustment of the scale 43 during installation, ensuring that the zero mark of the scale plate 432 is precisely aligned with the upper surface of the lower half of the cable clamp 2, which not only ensures measurement stability but also improves vertical adaptability during installation.

[0072] Example 7: The basic content is the same as in Embodiment 1, except that: the guide frame 44 includes an integrally formed mounting plate 441 and guide plate 442; the inner surface of the mounting plate 441 is higher than the inner surface of the guide plate 442, forming a stepped structure; the inner surface of the mounting plate 441 is closely attached to the surface of the upper half cable clamp 1 and fixedly connected; the inner surface of the guide plate 442 and the surface of the upper half cable clamp 1 form an opening groove; the scale plate 432 is slidably embedded in the opening groove on the side away from the scale line 434.

[0073] In application, the stepped structure of the guide frame 44 is firmly fixed by the tight fit between the mounting plate 441 and the upper half clamp 1, providing rigid support for the coordinated operation of the entire measuring device. At the same time, the opening groove formed on the surface of the guide plate 442 and the upper half clamp 1 constrains one side of the scale plate 432. Since the scale plate 432 is usually thin and long, its own rigidity is relatively limited. It is easy to bend or tilt in the unsupported state, resulting in measurement errors. When the upper half clamp 1 moves the guide frame 44 downward, the side of the scale plate 432 away from the scale line 434 slides smoothly along the groove. The groove can effectively limit the longitudinal shaking of the scale plate 432, ensuring that the movement trajectory is consistent with the compression direction of the sealing strip 3. The stable sliding fit makes the relative position of the scale line 434 and the first pointer 41 and the second pointer 42 accurately correspond, avoiding reading deviations caused by the shaking of the scale plate 432. In addition, the mounting plate 441 and the upper half clamp 1 can be fixed by welding or threaded connection, providing structural guarantee for the accurate measurement of the sealing strip compression.

[0074] Example 8: The basic content is the same as in Embodiment 1, except that: the first measuring arm 412 includes a first plane 413, a first inclined plane 414, a first bottom surface 417, a first back surface 415, and a first top surface 416. One side of the first plane 413 is connected to one side of the first inclined plane 414, the other side of the first inclined plane 414 is connected to one side of the first bottom surface 417, the other side of the first bottom surface 417 is connected to one side of the first back surface 415, the other side of the first back surface 415 is connected to one side of the first top surface 416, and the other side of the first top surface 416 is connected to the other side of the first plane 413. The first back surface 415 is a plane, and the first back surface 415 is fitted with the side of the scale plate 432 with scale lines 434 with a small gap. The length of the first top surface 416 is the same as the length of the first bottom surface 417, and the width of the first bottom surface 417 is less than the width of the first top surface 416. The first bottom surface 417 is connected to the upper half of the cable. The lower end face of clamp 1 is flush with the second measuring arm 422, which includes a second inclined surface 423, a second plane 424, a second bottom surface 425, a second back surface 426, and a second top surface 427. One side of the second inclined surface 423 is connected to one side of the second plane 424, the other side of the second plane 424 is connected to one side of the second bottom surface 425, the other side of the second bottom surface 425 is connected to one side of the second back surface 426, the other side of the second back surface 426 is connected to one side of the second top surface 427, and the other side of the second top surface 427 is connected to the other side of the second inclined surface 423. The second back surface 426 is a plane and is fitted with the side of the scale plate 432 with the scale line 434 with a small gap. The length of the second top surface 427 is the same as the length of the second bottom surface 425, the width of the second top surface 427 is less than the width of the second bottom surface 425, and the second top surface 427 is flush with the upper end face of the lower half clamp 2.

[0075] In application, the first back surface 415 of the first measuring arm 412 and the second back surface 426 of the second measuring arm 422 are fitted with the side of the scale plate 432 with the scale line 434 with a small gap of 0.05-0.15mm, preferably 0.1mm. The small gap of 0.05-0.15mm is selected mainly because: it can avoid relative shaking between the measuring arm and the scale plate due to the gap being too large (such as exceeding 0.15mm), and prevent the pointer from visually deviating at the scale line; it can also avoid the measuring arm sliding and jamming due to the gap being too small (such as less than 0.05mm), thereby ensuring that the measuring arm can move smoothly and synchronously with the cable clamp during the closure process. Meanwhile, the design of the first inclined surface 414 of the first measuring arm 412 and the second inclined surface 423 of the second measuring arm 422 optimizes the reading angle. The inclined surface structure allows the operator's line of sight to be more naturally perpendicular to the scale line 434, avoiding the obstruction shadow or viewing angle deviation caused by the right angle between the side of the measuring arm and the scale plate, and further improving the accuracy of the reading.

[0076] The above description is only a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. Any equivalent modifications or changes made by those skilled in the art based on the content disclosed in the present invention should be included within the scope of protection set forth in the claims.

Claims

1. A cable clip with the function of measuring the compression of the center-part sealing strip, characterized in that: The cable clamp includes an upper cable clamp (1), a lower cable clamp (2), a sealing strip (3), and at least one measuring device (4). The measuring device (4) includes a first pointer (41), a second pointer (42), a scale (43), and a guide frame (44); the scale (43) includes a scale plate (432), and a plurality of equidistant scale lines (434) are provided on one side of the outer surface of the scale plate (432) along the height direction; one end of the first pointer (41) and the second pointer (42) are respectively located above the side of the scale plate (432) where the scale lines (434) are provided, and the guide frame (44) is located above the scale plate (432), and the side of the scale plate (432) away from the scale lines (434) is slidably engaged with the side of the guide frame (44); The lower end face of the upper cable clamp (1) is tightly fitted with the upper end face of the sealing strip (3), and the lower end face of the sealing strip (3) is tightly fitted with the upper end face of the lower cable clamp (2); the other end of the first pointer (41) is fixedly connected to the upper cable clamp (1), and the bottom surface of the first pointer (41) is flush with the lower end face of the upper cable clamp (1); the other end of the second pointer (42) is fixedly connected to the lower cable clamp (2), and the top surface of the second pointer (42) is flush with the upper end face of the lower cable clamp (2); the lower end of the scale (43) is fixedly connected to the lower cable clamp (2), and the guide frame (44) is fixedly connected to the upper cable clamp (1).

2. A cable clip with the function of measuring the compression of the center-part sealing strip according to claim 1, characterized in that: The number of measuring devices (4) is four, and the four measuring devices (4) are located on the two sides of the upper half clamp (1) and the lower half clamp (2), respectively; Two measuring devices (4) are respectively located on the left and right sides of the upper half clamp (1) and the lower half clamp (2) near the front end of the sealing strip (3). The other two measuring devices (4) are respectively located on the left and right sides of the upper half clamp (1) and the lower half clamp (2) near the rear end of the sealing strip (3). The two measuring devices (4) near the front end of the sealing strip (3) are symmetrical about the center line of the length direction of the upper half clamp (1) and the lower half clamp (2). The two measuring devices (4) near the rear end of the sealing strip (3) are symmetrical about the center line of the length direction of the upper half clamp (1) and the lower half clamp (2).

3. A cable clip with the function of measuring the compression of the center-part sealing strip according to claim 1, characterized in that: The number of measuring devices (4) is four, of which two measuring devices (4) are located on the front end face of the upper half cable clamp (1) and the lower half cable clamp (2) respectively, and the other two measuring devices (4) are located on the rear end face of the upper half cable clamp (1) and the lower half cable clamp (2) respectively. The two measuring devices (4) located on the front end face are symmetrical about the inner hole axis of the upper half cable clamp (1) and the lower half cable clamp (2), and the two measuring devices (4) located on the rear end face are symmetrical about the inner hole axis of the upper half cable clamp (1) and the lower half cable clamp (2).

4. A cable clip with the function of measuring the compression of the center-part sealing strip according to claim 1, 2 or 3, characterized in that: The first scale line (434) on the lower part of the outer surface of the scale plate (432) is the zero scale line, and the distance between adjacent scale lines (434) is 0.1mm; The zero mark is flush with the upper surface of the lower half clip (2) and the zero mark is flush with the top surface of the second pointer (42).

5. A cable clip with the function of measuring the compression of the center-part sealing strip according to claim 4, characterized in that: The scale plate (432) has a scale reading (435) on one side with scale lines (434) along the height direction. The scale reading (435) starts from the zero scale line and increases sequentially from bottom to top. Each scale reading (435) matches the reading of the corresponding scale line (434).

6. A cable clip with the function of measuring the compression of the center-part sealing strip according to claim 1, 2 or 3, characterized in that: The scale (43) also includes a base plate (431); the base plate (431) is perpendicular to the scale plate (432), and the middle part of the base plate (431) is connected to the lower end of the scale plate (432); The seat plate (431) is provided with a plurality of connecting through holes (433), the connecting through holes (433) being elongated oval; the seat plate (431) and the lower half cable clamp (2) are closely fitted together and fixedly connected to the lower half cable clamp (2) through the connecting through holes (433).

7. A cable clip with the function of measuring the compression of the center-part sealing strip according to claim 1, 2 or 3, characterized in that: The guide frame (44) includes an integrally formed mounting plate (441) and a guide plate (442); the inner surface of the mounting plate (441) is higher than the inner surface of the guide plate (442), forming a stepped structure; The inner surface of the mounting plate (441) is tightly attached to the surface of the upper cable clamp (1) and fixedly connected. The inner surface of the guide plate (442) forms an opening groove with the surface of the upper cable clamp (1). The scale plate (432) is slidably embedded in the opening groove on the side away from the scale line (434).

8. A cable clip with the function of measuring the compression of the center-part sealing strip according to claim 1, 2 or 3, characterized in that: The first pointer (41) includes a first fixed base (411) and a first measuring arm (412). The first fixed base (411) is fixedly connected to the upper half cable clip (1). One end of the first measuring arm (412) is connected to the middle of the first fixed base (411), and the other end of the first measuring arm (412) is located above the side of the scale plate (432) where the scale line (434) is provided. The second pointer (42) includes a second fixed base (421) and a second measuring arm (422). The second fixed base (421) is fixedly connected to the lower half cable clamp (2). One end of the second measuring arm (422) is connected to the middle of the second fixed base (421), and the other end of the second measuring arm (422) is located above the side of the scale plate (432) where the scale line (434) is provided.

9. A cable clip with the function of measuring the compression of the center-parting sealing strip according to claim 8, characterized in that: The first measuring arm (412) includes a first plane (413), a first inclined plane (414), a first bottom surface (417), a first back surface (415), and a first top surface (416). One side of the first plane (413) is connected to one side of the first inclined plane (414), the other side of the first inclined plane (414) is connected to one side of the first bottom surface (417), the other side of the first bottom surface (417) is connected to one side of the first back surface (415), the other side of the first back surface (415) is connected to one side of the first top surface (416), and the other side of the first top surface (416) is connected to the other side of the first plane (413). The first back surface (415) is a plane, and the first back surface (415) and the side of the scale plate (432) with scale lines (434) are fitted with a small gap; the length of the first top surface (416) is the same as the length of the first bottom surface (417), the width of the first bottom surface (417) is smaller than the width of the first top surface (416), and the first bottom surface (417) is flush with the lower end surface of the upper half cable clamp (1).

10. A cable clip with the function of measuring the compression of the center-part sealing strip according to claim 8, characterized in that: The second measuring arm (422) includes a second inclined surface (423), a second plane (424), a second bottom surface (425), a second back surface (426), and a second top surface (427). One side of the second inclined surface (423) is connected to one side of the second plane (424), the other side of the second plane (424) is connected to one side of the second bottom surface (425), the other side of the second bottom surface (425) is connected to one side of the second back surface (426), the other side of the second back surface (426) is connected to one side of the second top surface (427), and the other side of the second top surface (427) is connected to the other side of the second inclined surface (423). The second back surface (426) is a flat surface, and the second back surface (426) is fitted with the side of the scale plate (432) with scale lines (434) with a small gap; the length of the second top surface (427) is the same as the length of the second bottom surface (425), the width of the second top surface (427) is smaller than the width of the second bottom surface (425), and the second top surface (427) is flush with the upper end surface of the lower half cable clamp (2).

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