Fixture for detecting construction steel bars
By using a combination clamp with a multi-point clamping structure, the problem of unstable clamping in existing rebar pull-out clamps has been solved, thus achieving stability and accuracy in rebar testing.
Patent Information
- Application Number
- CN202423034727.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-10
AI Technical Summary
The existing rebar pull-out clamps have a simple structure, which leads to unstable clamping and affects the testing results.
A combined clamping structure using multiple conical clamping plates and eccentric cam blocks is employed. An adjusting mechanism drives gears to rotate synchronously, achieving multi-point clamping and friction fixation of the reinforcing bars. This clamping method enhances clamping stability.
This achieves stable clamping of the reinforcing bars, improving the reliability and accuracy of the inspection.
Smart Images
Figure CN223637244U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to reinforcing steel bar detection technical field, specifically point to a building reinforcing steel bar detection clamp. BACKGROUND
[0002] Reinforcing steel bar is a common building material, and its self weight is small, has excellent tensile property, generally uses with concrete, plays the role of complementary advantages, and the tensile strength of reinforcing steel bar is closely related to the carbon content of reinforcing steel bar, the production process of reinforcing steel bar and the diameter of reinforcing steel bar, and when testing and researching, the tensile mechanical property of reinforcing steel bar can be detected through reinforcing steel bar tensile instrument.
[0003] The existing reinforcing steel bar drawing clamp is single in structure, and only has a clamping mechanism in one form, which greatly affects the stability of clamping. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] The utility model solves the technical problem that the single form clamping mechanism easily leads to unstable reinforcing steel bar clamping and affects the detection effect.
[0006] (II) technical scheme
[0007] In order to solve the above technical problem, the utility model provides a technical scheme that a building reinforcing steel bar detection clamp, including detection bottom plate, the detection bottom plate is slidably connected with the clamp platform arranged correspondingly on both sides, the fixed clamp hole is arranged through on both sides clamp platform, not less than one conical clamping piece is arranged in the fixed clamp hole along the annular array, the air cylinder is fixedly connected with both sides arranged correspondingly on the clamp platform, the fixed disc is fixedly connected with both sides air cylinder output end, the fixed disc is equipped with the limit clamp hole arranged through and matched with the conical clamping piece, the fixed disc one side is fixedly connected with not less than one fixed frame arranged along the limit clamp hole outer circle, the gear is rotatably connected in the fixed frame, the eccentric cam clamping block is fixedly connected with one side of the gear, the adjusting mechanism that drives the gear rotation is equipped on the fixed disc.
[0008] As improvement, the outer wall of the conical clamping piece is fixedly connected with a slide rod, the fixed clamp hole is provided with a slot matched with the slide rod, and the fixed spring matched with the slide rod is fixedly connected in the slot.
[0009] As improvement, the adjusting mechanism includes a fixed cylinder fixedly connected to one side of the fixed disc and coaxially arranged with the limit clamp hole, an adjusting sleeve is slidably inserted into the fixed cylinder, a tension spring matched with the adjusting sleeve is fixedly connected in the fixed cylinder, and a rack engaged with the gear is fixedly connected to the inner wall of the adjusting sleeve.
[0010] As improvement, the distance between the eccentric cam clamping block and the gear shaft center is greater at one end than at the other end.
[0011] As improvement, the inner wall of the conical clamping piece is provided with anti-skid lines.
[0012] As improvement, the outer wall of the eccentric cam clamping block is provided with anti-skid teeth.
[0013] (Three) beneficial effects
[0014] The utility model discloses compared with prior art has the advantages that: through the adjusting mechanism drive multiple gear synchronous rotation, gear drives eccentric cam clamping block and swings, and the eccentric cam clamping block swings to the side away from the fixed clamping hole shaft center, and after the steel bar is worn through two end two section fixed clamping hole, is placed between the conical clamping piece, and is close to the steel bar through the fixed clamping hole extrusion conical clamping piece, realizes the clamping of steel bar, and then through the adjusting mechanism drive eccentric cam clamping block and rest on the steel bar outer wall, when the steel bar occurs drawing, under the action of friction, will drive eccentric cam clamping block and rotate to the side away from the fixed disc, makes eccentric cam clamping block further clamps the steel bar, and the stability of clamping has been improved greatly. ACCURACY OF DRAWINGS
[0015] Figure 1 It is an explosion map of the utility model discloses a kind of clamps for building steel bar detection.
[0016] Figure 2 It is a structural schematic diagram of the utility model discloses a kind of clamps for building steel bar detection.
[0017] Figure 3 It is a sectional view of the utility model discloses a kind of clamps for building steel bar detection.
[0018] Figure 4 It is a structural schematic diagram of the utility model discloses a kind of conical clamping piece for building steel bar detection.
[0019] Figure 5 It is a structural schematic diagram of the utility model discloses a kind of eccentric cam clamping block for building steel bar detection.
[0020] As shown in the drawing: 1, detection base plate; 2, clamp table; 3, fixed clamping hole; 4, conical clamping piece; 5, sliding rod; 6, fixed spring; 7, slot; 8, fixed disc; 9, air cylinder; 10, fixed cylinder; 11, fixed frame; 12, gear; 13, eccentric cam clamping block; 14, anti-skid teeth; 15, adjusting sleeve; 16, rack; 17, tension spring; 18, fixed clamping hole. DETAILED DESCRIPTION
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0022] like Figures 1 to 5 As shown, a fixture for testing reinforcing steel bars in construction includes a testing base plate 1. A fixture platform 2 is slidably connected to the testing base plate 1 on both sides. Each fixture platform 2 has a through-hole 3. Each through-hole 3 contains at least one conical clamping piece 4 arranged in a circular array. The inner wall of each conical clamping piece 4 has anti-slip textures. A sliding rod 5 is fixedly connected to the outer wall of each conical clamping piece 4. A slot 7 that mates with the sliding rod 5 is provided in the through-hole 3. A fixing spring 6 that mates with the sliding rod 5 is fixedly connected in the slot 7. Cylinders 9 are fixedly connected to the fixture platform 2 on both sides. A fixing plate 8 is fixedly connected to the output end of each cylinder 9. The fixing plate 8 has a through-hole 18 that mates with the conical clamping piece 4.
[0023] At least one fixing frame 11 is fixedly connected to one side of the fixing disk 8, arranged along the outer ring of the limiting clamping hole 18. Gears 12 are rotatably connected inside each fixing frame 11. An eccentric cam clamping block 13 is fixedly connected to one side of each gear 12. The outer wall of the eccentric cam clamping block 13 is provided with anti-slip tooth blocks 14. The distance from the end of the eccentric cam clamping block 13 near the limiting clamping block to the axis of the gear 12 is greater than the distance from the other end to the axis of the gear 12. The fixing disk 8 is provided with an adjustment mechanism for driving the gear 12 to rotate. The adjustment mechanism includes a fixing cylinder 10 fixedly connected to one side of the fixing disk 8 and arranged coaxially with the limiting clamping hole 18. An adjustment sleeve 15 is slidably inserted into the fixing cylinder 10. A tension spring 17 that cooperates with the adjustment sleeve 15 is fixedly connected inside the fixing cylinder 10. A rack 16 that meshes with the gear 12 is fixedly connected to the inner wall of the adjustment sleeve 15.
[0024] In specific use, the adjusting sleeve 15 on both sides is pulled to make the adjusting sleeve 15 slide outward along the inner wall of the fixed cylinder 10, the rack 16 drives the corresponding teeth to swing to the side of the fixed disc 8, the protruding end of the eccentric cam clamp block 13 is away from the axis of the limiting clamp hole 18, the reinforcing steel bar is passed through the limiting clamp hole 18, the three tapered clamping pieces 4 are driven to move away from each other, the tapered clamping pieces 4 drive the sliding rod 5 to slide into the sliding groove, the fixed spring 6 is extruded to generate compression deformation, the reinforcing steel bar is clamped between the tapered clamping pieces 4, the tapered clamping pieces 4 are loosened, the tapered clamping pieces 4 are pushed to move close to each other and abut against the outer wall of the reinforcing steel bar under the restoring force of the fixed spring 6, the air cylinder 9 is started to pull the fixed disc 8 to move close to the clamp table 2, the tapered clamping pieces 4 are inserted into the limiting clamp hole 18, the outer wall of the tapered clamping pieces 4 abuts against the inner wall of the limiting clamp hole 18, the tapered clamping pieces 4 are further extruded to clamp the outer wall of the reinforcing steel bar, the reinforcing steel bar and the tapered clamping pieces 4 are difficult to realize relative movement under the extrusion of the limiting clamp hole 18 and the anti-skid lines in the tapered clamping pieces 4, the adjusting sleeve 15 is loosened, the adjusting sleeve 15 is pulled to slide reversely under the restoring force of the tension spring 17, the rack 16 drives the gear 12 to rotate, the gear 12 drives the eccentric cam clamp block 13 to abut against the outer wall of the reinforcing steel bar, when the reinforcing steel bar and the tapered clamping pieces 4 move relatively, the eccentric cam clamp block 13 is driven to further swing under the friction force of the outer wall of the reinforcing steel bar and the protection tooth block, the protruding end of the eccentric cam clamp block 13 further moves close to the reinforcing steel bar, the reinforcing steel bar is further clamped and fixed, and the stability of clamping is greatly improved.
[0025] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0026] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0027] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
[0028] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the spirit of the present application, without creating a similar structure and embodiment of the technical solution, which should belong to the protection scope of the present application.
Claims
1. A clamp for detecting building reinforcement, comprising a detection base plate (1), two clamp tables (2) are correspondingly arranged on the detection base plate (1) and are connected by sliding, characterized in that: a fixing clamp hole (3) is arranged through the clamp table (2) on both sides, not less than one conical clamping piece (4) is arranged in the fixing clamp hole (3) in an annular array, a gas cylinder (9) is fixedly connected to the clamp table (2) and is correspondingly arranged on both sides, a fixed disc (8) is fixedly connected to the output end of the gas cylinder (9) on both sides, a limiting clamp hole (18) is arranged through the fixed disc (8) and cooperates with the conical clamping piece (4), not less than one fixing frame (11) is fixedly connected to the outer circle of the limiting clamp hole (18) on one side of the fixed disc (8), a gear (12) is rotatably connected in the fixing frame (11), an eccentric cam clamping block (13) is fixedly connected to one side of the gear (12), and an adjusting mechanism is arranged on the fixed disc (8) to drive the gear (12) to rotate.
2. The fixture for detecting a building reinforcement according to claim 1, wherein: A sliding rod (5) is fixedly connected to the outer wall of the conical clamping piece (4), an insertion slot (7) is arranged in the fixing clamp hole (3) and cooperates with the sliding rod (5), and a fixing spring (6) is fixedly connected to the insertion slot (7) and cooperates with the sliding rod (5).
3. The fixture for detecting a building reinforcement according to claim 1, wherein: The adjusting mechanism comprises a fixing cylinder (10) fixedly connected to one side of the fixed disc (8) and arranged coaxially with the limiting clamp hole (18), an adjusting sleeve (15) is slidably inserted into the fixing cylinder (10), a tension spring (17) is fixedly connected to the fixing cylinder (10) and cooperates with the adjusting sleeve (15), and a rack (16) is fixedly connected to the inner wall of the adjusting sleeve (15) and engages with the gear (12).
4. The fixture for detecting a building reinforcement according to claim 1, wherein: The distance between the eccentric cam clamping block (13) and the gear (12) is greater at one end of the limiting clamp block than at the other end.
5. The fixture for detecting a building reinforcement according to claim 1, wherein: Anti-skid lines are arranged on the inner wall of the conical clamping piece (4).
6. The fixture for detecting a building reinforcement according to claim 1, wherein: Anti-skid tooth blocks (14) are arranged on the outer wall of the eccentric cam clamping block (13).