CN220960975U - High strength screw fastening detection device - Google Patents
High strength screw fastening detection device Download PDFInfo
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- CN220960975U CN220960975U CN202322479019.6U CN202322479019U CN220960975U CN 220960975 U CN220960975 U CN 220960975U CN 202322479019 U CN202322479019 U CN 202322479019U CN 220960975 U CN220960975 U CN 220960975U
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- strength screw
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Abstract
The utility model belongs to the technical field of tensioning detection, and discloses a high-strength screw fastening detection device which comprises a detection table and a movable seat, wherein a horizontal and transverse guide chute is formed in the top of the detection table; the detection device is used for the high-strength screw, and the tightness of the screw is detected in a hydraulic opposite-pulling distance measurement and micrometer diameter measurement mode, so that the detection device is convenient, quick and high in accuracy.
Description
Technical Field
The utility model belongs to the technical field of tensioning detection, and particularly relates to a high-strength screw fastening detection device.
Background
The suspension bridge cable clamp is one of main components of the upper structure of the suspension bridge, the main defect in the use process is that the cable clamp slides on a main cable, the reason is caused by insufficient fastening force of a cable clamp screw, and the cable clamp sliding of more than 10mm is considered to be serious defect in the technical condition assessment standard (2011) 7.2.1 of highway bridge maintenance standard (2004) 3.3.9 of China requiring to check whether the upper end of a suspension bridge suspender and the cable clamp of the main cable are loosened, shifted and damaged. The engineering case of cable clamp slipping and boom tilting caused by insufficient fastening force of cable clamp screw has appeared in China. While there is no efficient method and apparatus available to test the tension of the screw on a suspension bridge for tightening the cable clamp. Therefore, the invention of a device for accurately and rapidly detecting the tightness of a high-strength screw is urgently needed.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model relates to a high-strength screw fastening detection device which comprises a detection table and a movable seat, wherein a horizontal and transverse guide chute is formed in the top of the detection table, a double-head hydraulic cylinder is fixedly arranged in the middle of the detection table, a first connecting rod is rotatably arranged at the rear side of the top of the detection table, a second connecting rod is rotatably arranged at the other end of the first connecting rod, a dial indicator is fixedly arranged at one end of the second connecting rod far away from the first connecting rod, two movable seats are respectively provided with a sliding block at the bottom, clamping assemblies are respectively arranged at two ends, close to each other, of the two movable seats, each clamping assembly comprises a clamping cylinder, a rotary sleeve and clamping seats, a plurality of movable grooves are formed in the clamping cylinder in an equidistant circumferential array, the quantity of the clamping seats is the same as that of the movable grooves, the clamping seats are slidably arranged in the movable grooves, a top column is fixedly arranged at one end of the clamping seat, two side plates are arranged at one end of the movable groove, and return springs are fixedly arranged at the inner walls of the two side plates and the movable grooves.
As a preferable technical scheme of the utility model, the first connecting rod and the second connecting rod are both screwed and positioned by bolts.
As a preferable technical scheme of the utility model, the two movable seats are arranged on the guide chute in a left-right mirror image sliding manner through the sliding blocks, and the two movable ends of the double-head hydraulic cylinder are fixedly connected with the two sliding blocks respectively.
As a preferable technical scheme of the utility model, the clamping cylinder is fixedly arranged on the movable seat, a thread is arranged on one side of the outer surface of the clamping cylinder, which is close to the movable seat, the screw thread of the screw sleeve is arranged at the outer end of the clamping cylinder, and one side of the inner wall of the screw sleeve is provided with a conical table with the thread side being outwards lofted.
As a preferable technical scheme of the utility model, the inner end surface of the clamping seat is provided with anti-skid patterns.
As a preferable technical scheme of the utility model, the jacking column penetrates through the clamping cylinder and is in contact with the rotary sleeve.
The beneficial effects achieved by the utility model are as follows:
The bolts or the cable clamps can be arranged at the two ends of the high-strength screw to be tested, the two ends of the high-strength screw are placed in the two clamping cylinders, the rotary sleeve is rotated to enable the rotary sleeve to move and push the jack posts to move inwards in the moving process, meanwhile, the compression springs drive the clamping seats to clamp the bolts or the cable clamps so as to achieve the purpose of detecting screws with different diameters, after fixation is completed, the movable seats can be pushed to be away from each other through the telescopic action of the head hydraulic cylinder so as to stretch the screw to be tested, and meanwhile, the purpose of detecting the tightness of the screw is achieved by connecting an external journey device to detect the displacement journey of the movable seats; the dial indicator contacts the screw to be tested, and the diameter change of the screw can be measured through the dial indicator in the tensioning process of the screw so as to assist in detecting the tightness of the screw, so that the detection precision is improved; to sum up, this detection device uses to high strength screw rod, adopts hydraulic pressure to drawing range finding and thousandth to measure the mode of footpath and detects the fastening degree of screw rod, not only convenient and fast and the precision is high.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a high strength screw tightening detection device according to the present utility model;
FIG. 2 is a schematic diagram showing the connection of two movable seats in a high-strength screw tightening detection device according to the present utility model;
FIG. 3 is a schematic view of the structure of a clamping assembly in a high strength screw tightening detection device according to the present utility model;
Fig. 4 is a schematic view showing an internal structure of a clamping cylinder in the high-strength screw tightening detection device according to the present utility model.
In the figure: 1. a detection table; 101. a guide chute; 102. a double-headed hydraulic cylinder; 103. a first link; 104. a second link; 105. a dial gauge; 2. a movable seat; 201. a slide block; 3. a clamping assembly; 301. a clamping cylinder; 302. a rotary sleeve; 303. a clamping seat; 304. a side plate; 305. a top column; 306. and a return spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: as shown in fig. 1-4, a high-strength screw fastening detection device comprises a detection table 1 and a movable seat 2, wherein a horizontal and transverse guide chute 101 is formed in the top of the detection table 1, a double-head hydraulic cylinder 102 is fixedly arranged in the middle of the detection table 1, the movable seat 2 can be pushed to move by the telescopic action of the double-head hydraulic cylinder 102, a first connecting rod 103 is rotatably arranged at the rear side of the top of the detection table 1, a second connecting rod 104 is rotatably arranged at the other end of the first connecting rod 103, a dial indicator 105 is fixedly arranged at one end of the second connecting rod 104 far away from the first connecting rod 103, the dial indicator 105 contacts a screw to be detected, the diameter change of the screw can be detected through the dial indicator 105 to assist in detecting the fastening degree of the screw in the tensioning process of the screw, the detection precision is improved, two movable seats 2 are provided with sliding blocks 201 at the bottoms, clamping assemblies 3 are respectively arranged at one ends of the two movable seats 2 close to each other, the clamping component 3 comprises a clamping cylinder 301, a rotary sleeve 302 and clamping seats 303, wherein a plurality of movable grooves are formed in the clamping cylinder 301 in an equidistant circumferential array, the number of the clamping seats 303 is the same as that of the movable grooves, the clamping seats 303 are slidably arranged in the movable grooves, a jack post 305 is fixedly arranged at one end of each clamping seat 303 positioned in each movable groove, two side plates 304 are arranged at one end of each clamping seat 303 positioned in each movable groove, return springs 306 are fixedly arranged at the inner walls of the two side plates 304 and the movable grooves, bolts or cable clamps at the two ends of a high-strength screw to be tested are arranged, the two ends of the high-strength screw are placed in the two clamping cylinders 301, the rotary sleeve 302 is rotated to enable the rotary sleeve 302 to move and push the jack post 305 to move inwards in the moving process, meanwhile, the compression springs drive the clamping seats 303 to clamp the bolts or cable clamps so as to achieve the aim of detecting screws with different diameters, after the fixation is finished, the movable seat 2 can be pushed to be far away from each other by the telescopic action of the head hydraulic cylinder so as to stretch the screw to be tested, and meanwhile, the purpose of detecting the tightness of the screw is achieved by detecting the displacement stroke of the movable seat 2 by connecting an external stroke device;
The first connecting rod 103 and the second connecting rod 104 are both screwed and positioned by bolts, wherein the vertical angles of the first connecting rod 103 and the second connecting rod 104 are conveniently adjusted by unscrewing the bolts; the two movable seats 2 are arranged on the guide chute 101 in a left-right mirror image sliding manner through the sliding blocks 201, and the two movable ends of the double-head hydraulic cylinder 102 are fixedly connected with the two sliding blocks 201 respectively; the clamping cylinder 301 is fixedly arranged on the movable seat 2, a screw thread is arranged on one side of the outer surface of the clamping cylinder 301, which is close to the movable seat 2, the rotary sleeve 302 is arranged at the outer end of the clamping cylinder 301 in a screw thread manner, and a frustum with a outwards lofted screw thread side is arranged on one side of the inner wall of the rotary sleeve 302; the inner end surface of the clamping seat 303 is provided with anti-skid patterns, wherein the clamping firmness can be improved through the design of the anti-skid patterns; the top post 305 is in contact with the swivel 302 through the clamp cylinder 301.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high strength screw rod fastening detection device, includes detection platform (1) and removes seat (2), its characterized in that: the utility model discloses a horizontal direction spout (101) has been seted up at test bench (1) top, middle part fixed mounting has double-end pneumatic cylinder (102) in test bench (1), test bench (1) top rear side rotates installs first connecting rod (103) and first connecting rod (103) other end rotation installs second connecting rod (104), first connecting rod (103) one end fixed mounting has amesdial (105) are kept away from to second connecting rod (104), it is equipped with slider (201) to remove seat (2) and bottom, two it all is equipped with clamping assembly (3) to remove seat (2) one end that is close to each other, clamping assembly (3) are including clamping cylinder (301), cover (302) and grip slipper (303), a plurality of movable grooves and grip slipper (303) quantity are the same with the movable groove in the equidistance circumference array in clamping cylinder (301), one end fixed mounting jack-prop (303) are located movable groove, grip slipper (305) are located movable groove one end and are equipped with two curb plate (304) and two return spring (306) all are installed to side plate (306).
2. The high-strength screw tightening detection device according to claim 1, wherein: the first connecting rod (103) and the second connecting rod (104) are screwed and positioned by bolts.
3. The high-strength screw tightening detection device according to claim 1, wherein: the two movable seats (2) are arranged on the guide chute (101) in a left-right mirror image sliding manner through the sliding blocks (201), and two movable ends of the double-head hydraulic cylinder (102) are fixedly connected with the two sliding blocks (201) respectively.
4. The high-strength screw tightening detection device according to claim 1, wherein: the clamping cylinder (301) is fixedly arranged on the movable seat (2), threads are formed on one side, close to the movable seat (2), of the outer surface of the clamping cylinder, the rotary sleeve (302) is arranged at the outer end of the clamping cylinder (301) in a threaded mode, and a frustum-shaped structure is formed on one side of the inner wall of the rotary sleeve (302), wherein one side of the threads is outwards lofted.
5. The high-strength screw tightening detection device according to claim 1, wherein: the inner end surface of the clamping seat (303) is provided with anti-skid patterns.
6. The high-strength screw tightening detection device according to claim 1, wherein: the jacking column (305) penetrates through the clamping cylinder (301) and is in contact with the rotary sleeve (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322479019.6U CN220960975U (en) | 2023-09-13 | 2023-09-13 | High strength screw fastening detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322479019.6U CN220960975U (en) | 2023-09-13 | 2023-09-13 | High strength screw fastening detection device |
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| Publication Number | Publication Date |
|---|---|
| CN220960975U true CN220960975U (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322479019.6U Active CN220960975U (en) | 2023-09-13 | 2023-09-13 | High strength screw fastening detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118642231A (en) * | 2024-08-09 | 2024-09-13 | 山东越海通信科技股份有限公司 | An on-site fusion-sealing device for optical fiber repair |
| CN119289849A (en) * | 2024-12-13 | 2025-01-10 | 江苏泉天下智能装备有限公司 | A dry screw vacuum pump rotor surface detection device |
-
2023
- 2023-09-13 CN CN202322479019.6U patent/CN220960975U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118642231A (en) * | 2024-08-09 | 2024-09-13 | 山东越海通信科技股份有限公司 | An on-site fusion-sealing device for optical fiber repair |
| CN119289849A (en) * | 2024-12-13 | 2025-01-10 | 江苏泉天下智能装备有限公司 | A dry screw vacuum pump rotor surface detection device |
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