Portable elevator compensation chain detection tool
By designing a portable elevator compensation chain testing fixture, which employs a folding unit and a cylinder-driven threaded rod structure, the problems of inconvenience in carrying and specification adaptability of existing equipment are solved, thus achieving both equipment convenience and testing accuracy.
Patent Information
- Application Number
- CN202520161802.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing elevator compensation chain testing equipment is inconvenient to fix, making it difficult to carry and posing safety hazards. Furthermore, it cannot adapt to elevator compensation chains of different specifications and sizes.
A portable elevator compensation chain testing fixture was designed. It uses a folding unit to connect the left and right support plates. The elevator compensation chain is firmly clamped by a cylinder-driven threaded rod and pressure plate structure. It is also equipped with a rubber anti-slip pad to accommodate different sizes.
The equipment is portable and adaptable to multiple specifications, ensuring the safety and accuracy of the testing.
Smart Images

Figure CN223955305U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator detection equipment technical field, concretely is a portable elevator compensating chain detection frock. BACKGROUND
[0002] The elevator compensating chain is used to compensate the weight of the steel wire rope, makes the elevator steady operation, when the elevator is in the top layer, the steel wire rope is in the counterweight side, when the elevator is in the bottom layer, the steel wire rope is in the car side, therefore the elevator compensating chain plays the quite important role.
[0003] After the elevator compensating chain processing is completed, the strength performance of the compensating chain needs to be detected, and then the use quality of the compensating chain is guaranteed, and the existing compensating chain detection is inconvenient and not firm, and there is certain security risk.
[0004] Such as the portable elevator compensating chain detection frock disclosed in Chinese patent CN211824997U, the top of the detection support frame is fixedly provided with a strength tensile detection air cylinder, the lifting rod moves up and down reciprocatingly through the clamping lifting air cylinder, the three gear discs rotate bidirectionally on the clamping pipe through the up and down reciprocating movement of the lifting rod, the three clamping arms move close and separate through the bidirectional rotation of the three gear discs, the clamping movement principle of the second clamping assembly of the elevator compensating chain is consistent with the clamping movement principle of the first clamping assembly of the elevator compensating chain, the elevator compensating chain is clamped and fixed on the detection support frame through the first clamping assembly and the second clamping assembly of the elevator compensating chain, through this way, the elevator compensating chain to be detected is clamped and fixed on the detection support frame, so that the subsequent stretching of the strength tensile detection air cylinder is facilitated.
[0005] But the detection support frame of the detection equipment is fixed as a whole, and since the elevator compensating chain first clamping assembly and the elevator compensating chain second clamping assembly need to be spaced apart by a distance for clamping and installing the elevator compensating chain, the overall length of the support frame is too long, and it is inconvenient to carry to different working positions for detection work, and it is not convenient. INVENTION CONTENTS
[0006] The utility model aims at providing a kind of portable elevator compensating chain detection frock, it is convenient to carry.
[0007] The technical scheme of the utility model: a kind of portable elevator compensating chain detection frock, including left support plate and right support plate, right support plate is set to the right of left support plate, and the lower end between left support plate and right support plate is connected by folding unit, and detection mechanism for detecting elevator compensating chain is installed on the upper end of left support plate and right support plate;
[0008] The folding unit comprises two fixed seats fixedly connected to the right side of the lower end of the left supporting plate and the left side of the lower end of the right supporting plate respectively, a plurality of hinged folding plates hinged to the outer side of one end of the two fixed seats away from the left supporting plate or the right supporting plate, and connecting plates hinged between two adjacent folding plates, wherein the left and right ends of the folding plates are provided with blind holes, springs are placed in the blind holes, the outer ends of the springs abut against insertion rods, the insertion rods can be inserted into the insertion holes provided on the opposite connecting plates or fixed seats after being elastically extended out of the blind holes, and pull rods are fixedly connected to the upper side of the outer end of the insertion rods close to the springs.
[0009] Further, the detection mechanism comprises air cylinders installed on the left side of the upper end of the left supporting plate and the right side of the upper end of the right supporting plate, connecting blocks fixedly connected to the end portions of the cylinder rods of the air cylinders, square cavities provided in the inner sides of the connecting blocks, threaded rods connected to the upper ends of the connecting blocks, rotating handles fixedly connected to the upper ends of the threaded rods, and pressing plates rotatably connected to the lower ends of the threaded rods after being extended into the square cavities, wherein the pressing plates are fitted to the two sides of the square cavities, and the two pressing plates in the two square cavities can press the left and right ends of the elevator compensating chain to be detected respectively.
[0010] Further, the left and right ends of the folding plates are provided with grooves, the two sides of the grooves are fixedly connected with circular shafts, the left and right ends of the fixed seats and the connecting plates are provided with rotating holes, the circular shafts are rotatably connected with the rotating holes, the fixed seats and the connecting plates are movably extended into the grooves and rotatably connected with the grooves, and the distance between the two rotating holes of the connecting plate is equal to the sum of the thicknesses of the two sides of the adjacent two folding plates.
[0011] Further, the lower sides of the pressing plates and the inner bottom portions of the square cavities are fixedly connected with rubber antiskid pads, so that the two outer sides of the ends of the elevator compensating chain are contacted by the rubber antiskid pads on the lower sides of the pressing plates and the inner bottom portions of the square cavities, and the elevator compensating chain is more firmly clamped and fixed.
[0012] The utility model discloses the beneficial effects: compared with the prior art, when the detection equipment needs to be carried, the folding plate is moved to the blind hole by first pulling the pull rod towards the folding plate center, at this time, the insertion rod is no longer located in the insertion hole of the fixed seat or the connecting plate, at this time, the folding plate on the outer end of the fixed seat or the connecting plate can be rotated, thereby the overall volume of the strength detection equipment is reduced by folding all the folding plates between the left supporting plate and the right supporting plate, and the detection equipment is more convenient for the detection staff to carry to different working positions to detect the strength of the elevator compensating chain, thereby the detection equipment has good convenience.
[0013] After placing the two ends of the elevator compensation chain to be detected in the square cavity inside the connecting block, rotating the rotating handle to drive the threaded rod to rotate, so that the pressing plate moves downward to the outer side of the end of the elevator compensation chain, that is, the two ends of the elevator compensation chain can be clamped and fixed in the square cavity inside the connecting block, then the cylinders are started to pull the two connecting blocks to the left and right ends respectively, so that the elevator compensation chain is stretched for detection, and since the distance between the pressing plate and the inner bottom end of the square cavity can be changed, the strength of the two ends of the elevator compensation chain of different specifications and sizes can be detected after clamping and fixing, thereby increasing the detection range of the strength detection device. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic diagram of a portable elevator compensation chain detection tool.
[0015] Figure 2 It is a three-dimensional structure schematic diagram of a folding state of a folding unit.
[0016] Figure 3 It is a three-dimensional structure schematic diagram of a folding plate.
[0017] Figure 4 It is a three-dimensional structure schematic diagram of a connecting plate.
[0018] Figure 5 It is a three-dimensional sectional structure sectional view of a folding plate.
[0019] Figure 6 It is a structure schematic diagram of a left support plate installed with a cylinder.
[0020] Figure 7 It is a three-dimensional structure schematic diagram of a connecting block.
[0021] In the figure: 1, left support plate; 2, right support plate; 301, fixed seat; 302, folding plate; 303, connecting plate; 304, round shaft; 305, spring; 306, plug rod; 307, pull rod; 308, blind hole; 309, strip-shaped through hole; 310, plug-in hole; 401, cylinder; 402, connecting block; 403, threaded rod; 404, rotating handle; 405, bearing; 406, pressing plate; 407, square cavity. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0023] Embodiment 1: please refer to Figures 1-7The utility model provides a portable elevator compensation chain detection frock, including left support board 1 and right support board 2, right support board 2 sets up in the right of left support board 1, and the upper end of left support board 1 and right support board 2 is equipped with the detection mechanism for detecting elevator compensation chain, and the lower end between left support board 1 and right support board 2 is connected through folding unit.
[0024] Folding unit includes fixed seat 301 fixedly connected to the right side of the lower end of left support board 1 and the left side of the lower end of right support board 2, and a plurality of articulated folding plates 302 are hinged to the outer side of one end of the two fixed seats 301 away from left support board 1 or right support board 2, adjacent two folding plates 302 are hinged through connecting plate 303, the end of folding plate 302 away from fixed seat 301 is connected with connecting plate 303, the left and right ends of folding plate 302 are connected with round shaft 304, recesses are formed in the left and right ends of folding plate 302, the two ends of round shaft 304 are fixedly connected with the side walls of recess, the left and right ends of fixed seat 301 and connecting plate 303 are provided with rotating holes, round shaft 304 is rotatably connected with rotating holes, fixed seat 301 and connecting plate 303 keep a gap with recess to facilitate rotating connection, connecting plate 303 is hinged between two adjacent folding plates 302, so that folding plate 302 can rotate at the outer end of fixed seat 301 and connecting plate 303 by rotating round shaft 304 in rotating hole, the distance between the two rotating holes of connecting plate 303 is equal to the sum of the thickness of the side of adjacent two folding plates 302, which can ensure the folding and adhesion.
[0025] The left and right ends of the folding plate 302 are provided with blind holes 308, springs 305 are arranged in the blind holes 308, the outer ends of the springs 305 are fixedly connected with inserting rods 306, the upper end of the inserting rod 306 close to the spring 305 is fixedly connected with a pull rod 307, the pull rod 307 passes through a strip-shaped through hole 309 arranged at the top of the blind hole 308, the end of the spring 305 away from the inserting rod 306 abuts against the innermost end of the inner side of the circular groove, the inserting rod 306 is in sliding connection with the blind hole, and the pull rod 307 is in sliding connection with the strip-shaped through hole, so that the inserting rod 306 is driven to slide along the blind hole in a direction under the elastic force of the spring 305, and the pull rod 307 slides along the strip-shaped through hole in a direction, so that the blind hole and the strip-shaped through hole limit the movement tracks of the inserting rod 306 and the pull rod 307; the middle position of the end of the fixed seat 301 away from the left supporting plate 1 or the right supporting plate 2 and the middle positions of the left and right ends of the connecting plate 303 are provided with inserting holes 310 for the inserting rod 306, and the end of the inserting rod 306 away from the spring 305 is inserted into the inserting hole 310, so that when the folding plate 302 is in the same plane as the fixed seat 301 and the connecting plate 303, the spring 305 will naturally rebound to push the inserting rod 306 out of the blind hole, and finally the end of the inserting rod 306 away from the spring 305 is inserted into the inserting hole 310 at the outer end of the fixed seat 301 or the connecting plate 303, so that the folding plate 302 cannot rotate relative to the fixed seat 301 or the connecting plate 303, and the fixed seat 301, the folding plate 302 and the connecting plate 303 between the left supporting plate 1 and the right supporting plate 2 remain relatively fixed in the same plane.
[0026] The detection mechanism comprises two air cylinders 401 respectively mounted on the left side of the upper end of the left supporting plate 1 and the right side of the upper end of the right supporting plate 2, the cylinder rod end of the air cylinder 401 is fixedly connected with a connecting block 402, the upper end of the connecting block 402 is connected with a threaded rod 403, the upper end of the threaded rod 403 is fixedly connected with a rotating handle 404, the lower end of the threaded rod 403 is connected with a bearing 405, the outer side of the bearing 405 is fixedly connected with a pressing plate 406, the end of the connecting block 402 away from the air cylinder 401 is provided with a square cavity 407, the upper end of the connecting block 402 is provided with a threaded hole in the middle position, the threaded rod 403 is in threaded connection with the threaded hole, and the left and right sides of the pressing plate 406 are in close contact with the two sides in the square cavity 407 and can slide vertically, so that when the threaded rod 403 is rotated in the threaded hole by rotating the rotating handle 404, the threaded rod 403 can move relative to the connecting block 402 while driving the pressing plate 406 at the lower end to slide along the inner side of the square cavity.
[0027] The lower side of the pressing plate 406 and the inner side bottom of the square cavity can be pressed to the left and right ends of the elevator compensating chain to be detected, so that after the left and right ends of the elevator compensating chain to be detected are placed in the square cavity inside the connecting block 402, the threaded rod 403 is rotated to move the pressing plate 406 downward to the outer side of the upper end of the end of the elevator compensating chain, so that the left and right ends of the elevator compensating chain are clamped and fixed in the square cavity inside the connecting block 402, and then the cylinders 401 are started to pull the two connecting blocks 402 to the left and right ends respectively, so that the elevator compensating chain is stretched for detection.
[0028] The lower side of the pressing plate 406 and the inner side bottom of the square cavity are fixedly connected with rubber non-slip pads, so that when the elevator compensating chain is clamped and fixed, the rubber non-slip pads on the lower side of the pressing plate 406 and the inner side bottom of the square cavity contact the outer sides of the two ends of the elevator compensating chain, so that the elevator compensating chain is clamped and fixed more firmly, and the accuracy of the detection result is ensured.
[0029] Working principle: when the elevator compensating chain is detected, the left and right ends of the elevator compensating chain to be detected are placed in the square cavity 407 inside the connecting block 402, the threaded rod 403 is rotated by rotating the rotary handle 404 to move the pressing plate 406 downward to the outer side of the upper end of the end of the elevator compensating chain, so that the left and right ends of the elevator compensating chain are clamped and fixed in the square cavity 407 inside the connecting block 402, and then the cylinders 401 are started to pull the two connecting blocks 402 to the left and right ends respectively, so that the elevator compensating chain is stretched for detection.
Claims
1. A portable elevator compensating chain detection tool, characterized by, The utility model provides a kind of folding mechanism of elevator compensation chain, including left support plate (1) and right support plate (2), right support plate (2) is set to the right of left support plate (1), and the lower end between left support plate (1) and right support plate (2) is connected by folding unit, and detection mechanism for detecting elevator compensation chain is installed on the upper end of left support plate (1) and right support plate (2); The folding unit includes two fixed seats (301) fixedly connected to the right side of the lower end of the left support plate (1) and the left side of the lower end of the right support plate (2), respectively, a plurality of hinged folding plates (302) are hinged to the outer side of one end of the two fixed seats (301) away from the left support plate (1) or the right support plate (2), adjacent two folding plates (302) are hinged by a connecting plate (303), blind holes (308) are provided at the left and right ends of the folding plate (302), springs (305) are placed in the blind holes (308), the outer ends of the springs (305) abut against insertion rods (306), the insertion rods (306) can be inserted into the insertion holes (310) provided on the opposite connecting plates (303) or fixed seats (301) after being elastically extended out of the blind holes (308), pull rods (307) are fixedly connected above the ends of the insertion rods (306) close to the springs (305), and the pull rods (307) pass through the strip-shaped through holes (309) provided at the top of the blind holes (308).
2. The portable elevator compensating chain detection tool of claim 1, wherein: The detection mechanism includes air cylinders (401) installed on the left side of the upper end of the left support plate (1) and the right side of the upper end of the right support plate (2), the cylinder rod end of the air cylinder (401) is fixedly connected with a connecting block (402), a square cavity (407) is provided on the inner side of the connecting block (402), a threaded rod (403) is connected to the upper end of the connecting block (402), a rotating handle (404) is fixedly connected to the upper end of the threaded rod (403), a pressing plate (406) is rotatably connected to the lower end of the threaded rod (403) by a bearing (405) after the lower end of the threaded rod (403) extends into the square cavity, the pressing plate (406) is attached to the two sides of the square cavity (407), and the two pressing plates (406) in the two square cavities (407) can press the left and right ends of the elevator compensation chain to be detected, respectively.
3. The portable elevator compensating chain detection tool of claim 1, wherein: Grooves are provided at the left and right ends of the folding plate (302), circular shafts (304) are fixedly connected to the two sides of the grooves, and turning holes are provided at the left and right ends of the fixed seat (301) and the connecting plate (303), the circular shafts (304) are rotatably connected to the turning holes, the fixed seat (301) and the connecting plate (303) are movably extended into the grooves and rotatably connected thereto, and the distance between the two turning holes of the connecting plate (303) is equal to the sum of the thicknesses of the two sides of the adjacent two folding plates (302).
4. The portable elevator compensating chain detection tool of claim 2, wherein: Rubber non-slip pads are fixedly connected to the lower side of the pressing plate (406) and the inner bottom of the square cavity.
Citation Information
Patent Citations
Portable elevator detection equipment
CN211824997U