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CN-224216467-U - Safety lead tensile strength testing device

CN224216467UCN 224216467 UCN224216467 UCN 224216467UCN-224216467-U

Abstract

The utility model provides a safe lead wire tensile strength testing arrangement, relate to fireworks lead wire detection field, including the bottom plate, the riser, the telescopic link, the guide bar, backup pad and fixation clamp, the terminal surface distributes under the bottom plate has the non-slipping spur, the bottom plate up end is equipped with the riser, the riser lower extreme is articulated with the bottom plate up end, the riser upper end is equipped with the guide bar that transversely sets up, riser one side upper end is equipped with the backup pad that transversely sets up, the opposite side of riser is equipped with the telescopic link that vertically sets up, the top of telescopic link is equipped with the fixation clamp, the lead wire upper end is installed on the fixation clamp, the lead wire takes on guide bar and backup pad, the weight is installed to the lead wire lower extreme; the vertical plate, the fixing clamp and the weight are arranged in a matched mode, so that a traction experiment can be conveniently conducted on a lead arranged on the vertical plate, experimental data can be conveniently recorded, the swing amplitude of the lead is reduced, the detection precision is improved, the vertical plate can be folded through the hinged arrangement of the vertical plate and the bottom plate, the size of the testing device is reduced, and the occupied space is reduced.

Inventors

  • ZHONG JUAN
  • ZHONG LIANG
  • WANG ZHIYUAN
  • ZHONG ZHUQING

Assignees

  • 浏阳市中奇烟花制造有限公司

Dates

Publication Date
20260508
Application Date
20250522

Claims (8)

  1. 1. The utility model provides a safety lead tensile testing arrangement, including bottom plate (1), riser (2), telescopic link (9), guide bar (3), backup pad (4) and fixation clamp, terminal surface distribution has non slipping spur (7) under bottom plate (1), bottom plate (1) up end is equipped with riser (2), riser (2) lower extreme is articulated with bottom plate (1) up end, riser (2) upper end is equipped with guide bar (3) of horizontal setting, riser (2) one side upper end is equipped with backup pad (4) of horizontal setting, the opposite side of riser (2) is equipped with telescopic link (9) of vertical setting, its characterized in that telescopic link (9) top is equipped with the fixation clamp, lead wire (5) upper end is installed on the fixation clamp, take of lead wire (5) on guide bar (3) and backup pad (4), weight (15) are installed to lead wire (5) lower extreme.
  2. 2. The safety lead tensile testing device according to claim 1, wherein one end of the bottom plate (1) is provided with a U-shaped fixing frame (6), and the bottom plate (1) is provided with a through hole (8).
  3. 3. The safety lead tensile testing device of claim 1, wherein the fixing clamp comprises a fixing plate (16) and a shell (17), the fixing plate (16) is transversely arranged on one side of the vertical plate (2), the shell (17) is of a U-shaped structure, inner walls at two ends of the shell (17) are rotationally connected with two sides of the fixing plate (16), fixing holes (20) are formed in two ends of the fixing plate (16), clamping blocks (21) matched with the fixing holes (20) are formed in the inner walls at two ends of the shell (17), fixing grooves (18) are distributed on the side face of the fixing plate (16), the upper ends of leads (5) penetrate through the fixing grooves (18), and pressing blocks (19) matched with the fixing grooves (18) are distributed on the inner walls of the shell (17).
  4. 4. The safety lead tensile testing device according to claim 1, wherein the upper end of the telescopic rod (9) is hinged with the side face of the vertical plate (2), the telescopic rod (9) has a locking function, the side face of the lower end of the telescopic rod (9) is provided with a limiting plate (10), the lower end of the telescopic rod (9) penetrates through the through hole (8), and the lower end face of the limiting plate (10) is abutted with the upper end face of the bottom plate (1).
  5. 5. The safety lead tensile testing device according to claim 1, wherein the guide rod (3) is of a cylindrical structure, and grooves which are arranged corresponding to the fixing grooves (18) are distributed on the side face of the guide rod (3).
  6. 6. The safety lead tensile testing device of claim 1, wherein the supporting plate (4) is arranged in parallel with the guide rod (3), one side of the supporting plate (4) is connected with the side surface of the vertical plate (2), and grooves which are arranged corresponding to the fixing grooves (18) are distributed on the supporting plate (4).
  7. 7. The safety lead tensile testing device of claim 6, wherein positioning rings (12) are distributed at the lower ends of the supporting plates (4), the positioning rings (12) are arranged corresponding to the fixing grooves (18), the lower ends of the leads (5) penetrate through the positioning rings (12), connecting rods (11) are arranged on the side faces of the positioning rings (12), one ends of the connecting rods (11) are connected with the side faces of the positioning rings (12), and the other ends of the connecting rods (11) are connected with the vertical plates (2).
  8. 8. The safety lead tensile testing device of claim 7, wherein the lower end of the lead (5) is provided with a fixing component, the fixing component comprises a sleeve (13) and a supporting plate (14), the sleeve (13) and the supporting plate (14) are coaxially arranged, the sleeve (13) penetrates through the supporting plate (14), the lower end of the lead (5) is installed in the sleeve (13), the side surface of the sleeve (13) is provided with a threaded bolt, one end of the bolt penetrates through the sleeve (13), and the weight (15) is arranged above the supporting plate (14).

Description

Safety lead tensile strength testing device Technical Field The utility model relates to the field of firework lead detection, in particular to a safety lead tensile strength testing device. Background The fire-fighting line is a pyrotechnic composition product for ignition, fire transmission and control time when fireworks are set off, the safety of the fire-fighting line relates to the overall quality of fireworks and the safety of setting off, once the fire-fighting line is stretched by external tension in the production, installation and packaging transportation processes, phenomena such as powder leakage and lotus node can be generated, the fire-fighting line cannot complete the functions, and the production effect cannot be achieved when fireworks are set off, so that a safety lead tensile strength testing device is provided. Disclosure of utility model In order to overcome the defects in the background technology, the utility model discloses a safety lead tensile strength testing device, which is characterized in that a vertical plate is arranged on a bottom plate, the telescopic rod, the guide rod, the support plate and the fixing clamp are arranged on the vertical plate, so that the aim of conveniently testing the tensile strength of the firework safety lead is fulfilled. In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: The utility model provides a safety lead tensile strength testing arrangement, which comprises a base plate, the riser, the telescopic link, the guide bar, backup pad and fixation clamp, the terminal surface distributes under the bottom plate has the non slipping spur, the bottom plate up end is equipped with the riser, the riser lower extreme is articulated with the bottom plate up end, the riser upper end is equipped with the guide bar of horizontal setting, riser one side upper end is equipped with the backup pad of horizontal setting, the opposite side of riser is equipped with the telescopic link of vertical setting, the top of telescopic link is equipped with the fixation clamp, the lead upper end is installed on the fixation clamp, the take of lead wire is in guide bar and backup pad, the weight is installed to the lead wire lower extreme. One end of the bottom plate is provided with a U-shaped fixing frame, and the bottom plate is provided with a perforation. The fixing clamp comprises a fixing plate and a shell, wherein the fixing plate is transversely arranged on one side of the vertical plate, the shell is of a U-shaped structure, the inner walls of two ends of the shell are rotationally connected with two sides of the fixing plate, fixing holes are formed in two ends of the fixing plate, clamping blocks matched with the fixing holes are arranged on the inner walls of two ends of the shell, fixing grooves are distributed on the side face of the fixing plate, the upper ends of the leads penetrate through the fixing grooves, and pressing blocks matched with the fixing grooves are distributed on the inner walls of the shell. The telescopic link upper end is articulated with the riser side, and the telescopic link has the locking function, and the telescopic link lower extreme side is equipped with the limiting plate, and the perforation is passed to the telescopic link lower extreme, terminal surface and bottom plate up end butt under the limiting plate. The guide rod is of a cylindrical structure, and grooves which are arranged corresponding to the fixing grooves are distributed on the side face of the guide rod. The backup pad and guide bar parallel arrangement, backup pad one side is connected with the riser side, distributes on the backup pad has the recess that corresponds the setting with the fixed slot. The lower end of the supporting plate is distributed with a positioning ring, the positioning ring is correspondingly arranged with the fixing groove, the lower end of the lead wire penetrates through the positioning ring, the side surface of the positioning ring is provided with a connecting rod, one end of the connecting rod is connected with the side surface of the positioning ring, and the other end of the connecting rod is connected with the vertical plate. The lower end of the lead is provided with a fixing component, the fixing component comprises a sleeve and a supporting plate, the sleeve and the supporting plate are coaxially arranged, the sleeve penetrates through the supporting plate, the lower end of the lead is arranged in the sleeve, the side face of the sleeve is provided with a threaded connection bolt, one end of the bolt penetrates through the sleeve, and the weight is arranged above the supporting plate. The safety lead tensile strength testing device is high in practicability and very convenient to use, a lead mounted on the vertical plate is conveniently pulled through the cooperation of the vertical plate, the fixing clamp and the weights, experimental data are conveniently recorded, the s