CN115575262A - Concrete floor prefab shock resistance testing arrangement - Google Patents
Concrete floor prefab shock resistance testing arrangement Download PDFInfo
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- CN115575262A CN115575262A CN202211236654.5A CN202211236654A CN115575262A CN 115575262 A CN115575262 A CN 115575262A CN 202211236654 A CN202211236654 A CN 202211236654A CN 115575262 A CN115575262 A CN 115575262A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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Abstract
The invention discloses a device for testing the impact strength of a precast concrete floor, which comprises a detection table, wherein a feeding table is arranged on the left side of the detection table, a roller is rotatably connected to the upper side of the feeding table, and an installation frame is arranged on the right side of the feeding table; servo motor, the bolt fastening be in the upper right side of mounting bracket still includes: the protective cover is connected to the outer side of the detection platform in a sliding mode, and a lower connecting rod is installed on the right front side of the protective cover; the mount is installed the left side below of mounting bracket, just the upper end of mount is rotated and is connected with the rotation axis. This concrete floor prefab shock resistance testing arrangement, go up the transmission through last connecting rod, tooth piece, gear and lower connecting rod between locking frame and the protection casing, reverse rotation when realizing between the two, so the locking frame moves down when locking the floor on the drive, can rise the protection casing, when guaranteeing the floor and stabilizing the detection, can avoid the floor to burst open and injure the staff.
Description
Technical Field
The invention relates to the technical field of concrete correlation, in particular to a device for testing the impact strength of a precast concrete floor slab.
Background
Concrete is the most main building material, and the precast floor slab is made of concrete, and the floor slab can be directly spliced, so that the building construction efficiency is improved, and in order to ensure the safety of a building, the concrete precast floor slab needs to be subjected to impact strength test, and whether the firmness of the concrete precast floor slab meets the standard or not is detected.
The utility model is CN111562183A name is an external wall insulation board shock resistance check out test set, including strikeing the platform, strike two backup pads of lateral wall symmetry fixedly connected with of platform downside, strike the lateral wall fixedly connected with U type frame of platform upside, the inner wall fixedly connected with fixed pulley of U type frame upside, the left inner wall fixedly connected with twisted wire wheel of U type frame, around being equipped with same root steel cable between twisted wire wheel and the fixed pulley, two connection ropes of one end fixedly connected with of twisted wire wheel are kept away from to the steel cable, and two connection ropes pass through coupling mechanism fixedly connected with impact block, the standing groove has been seted up to the lateral wall of strikeing the platform upside. This outer wall insulation board shock resistance check out test set has avoided the heated board to produce the inaccurate problem of displacement result in testing result when receiving the impact, the effectual degree of accuracy that has improved check out test set detection, and easy operation is convenient, the effectual convenience that improves the impact block and change.
The above prior art solutions have the following drawbacks: the concrete floor can not be locked and can not be additionally provided with a protective structure, the concrete can not be prevented from cracking and splashing when the concrete floor is subjected to impact resistance test, the impact speed can not be regulated and controlled to test the concrete floor, and the single test data reduces the accuracy of concrete floor measurement.
Therefore, we propose a device for testing impact strength of a precast concrete floor in order to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a device for testing the impact strength of a precast concrete floor slab, which aims to solve the problems that in the current market, a protective structure cannot be additionally arranged while the precast concrete floor slab is locked, the precast concrete floor slab cannot be prevented from cracking and splashing when the precast concrete floor slab is subjected to an impact resistance test, the concrete floor slab cannot be tested by regulating and controlling the impact speed, single test data are provided, and the accuracy of the measurement of the concrete floor slab is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: the device for testing the impact strength of the prefabricated member of the concrete floor comprises a detection table, wherein a feeding table is installed on the left side of the detection table, a roller is rotatably connected to the upper side of the feeding table, and an installation frame is installed on the right side of the feeding table;
the servo motor is fixed on the upper right side of the mounting rack through a bolt, the output end of the servo motor is connected with an active rotating shaft, and the active rotating shaft is rotatably connected to the upper side of the mounting rack;
further comprising:
the protective cover is connected to the outer side of the detection platform in a sliding mode, and a lower connecting rod is installed on the right front side of the protective cover;
the fixing frame is arranged on the left lower side of the mounting frame, the upper end of the fixing frame is rotatably connected with a rotating shaft, and the outer side key of the rotating shaft is connected with a linkage gear;
the lower support is arranged on the front side and the rear side of the upper side of the detection table, a slide rod is connected to the upper right side of the lower support, an upper locking frame is connected to the outer side of the slide rod in a sliding mode, a screw rod is connected to the inner thread of the upper locking frame in a threaded mode, the screw rod is connected to the upper right side of the lower support in a rotating mode, and the screw rod is connected with the active rotating shaft through a belt;
an upper connecting rod installed at a front right side of the upper locking frame, and tooth blocks installed at both right and left sides of the upper and lower connecting rods;
the mounting plate is mounted above the left side of the mounting frame, the moving frame is arranged on the rear side of the mounting plate, a driving motor is fixed to a rear bolt of the moving frame, the output end of the driving motor is connected with a main rotating rod, and the outer side of the main rotating rod is connected with a main gear in a key mode;
the auxiliary rotating rod is rotatably connected to one side, far away from the main rotating rod, of the moving frame, the main rotating rod is connected with the auxiliary rotating rod through a belt, and an end key of the auxiliary rotating rod is connected with an auxiliary gear;
the driven rotating rod is rotatably connected to the mounting plate, a rotating rod is mounted at the front end of the driven rotating rod, a protruding block is connected to one end, far away from the driven rotating rod, of the rotating rod, an adjusting frame is sleeved on the outer side of the protruding block, an impact block is mounted at the lower end of the adjusting frame, and the impact block penetrates through the mounting frame and is in sliding connection with the mounting frame;
and the driven gear is connected with the rear end of the driven rotating rod in a key mode.
Preferably, the movable frame is further provided with a threaded rod, the threaded rod is mounted on the left side and the right side of the movable frame, and nuts are connected to the outer side of the threaded rod in a threaded mode.
Preferably, the upper side surface of the feeding table is distributed in an inclined manner, the rollers are uniformly distributed on the upper side surface of the feeding table, the floor is conveniently fed from the feeding table by the aid of the design, and labor intensity of workers for feeding the floor is reduced.
Preferably, the active rotating shaft and the symmetrically distributed 2 screw rods are distributed in a triangular manner, the screw rods penetrate through the upper locking frame, the upper locking frame and the lower locking frame are arranged correspondingly, the active rotating shaft can be used for driving the 2 screw rods to rotate synchronously, the upper locking frame can be driven by the screw rods to vertically move, and the distance between the upper locking frame and the lower locking frame can be adjusted.
Preferably, the protection casing cover is established examine the outside of test table, just examine the side section of test table and be "concave" shape structure, this design can guarantee to examine test table and leave the distance and guarantee that the floor is unsettled, and usable protection casing encloses the detection zone.
Preferably, the tooth blocks are distributed at the connecting positions of the lower connecting rod and the upper connecting rod with the linkage gear at equal intervals, the lower connecting rod and the upper connecting rod are distributed in parallel, linkage between the upper connecting rod and the lower connecting rod can be realized through the design, and simultaneous reverse movement of the upper connecting rod and the lower connecting rod is realized.
Preferably, the swing arm with driven gear is coaxial coupling, just driven gear's external diameter and number of teeth all are greater than the meshing and are connected the external diameter and the number of teeth of pinion, and driven gear's external diameter and number of teeth all are less than the meshing and are connected the external diameter and the number of teeth of master gear, this design accessible adjustment master gear and pinion and driven gear's meshing adjusts driven gear's slew velocity.
Preferably, the lug is in sliding connection with the adjusting frame, and the joint of the adjusting frame and the lug is provided with an arc-shaped through groove, so that the friction force between the lug and the adjusting frame can be reduced, and the lug is used for driving the adjusting frame to move.
Preferably, the rear-view face that removes the frame is "n" shape structure, just remove the frame and pass through the threaded rod with the mounting panel constitutes horizontal slip structure, just the mounting panel with the contact department of threaded rod is smooth column structure, and this design can guarantee to remove the stable horizontal migration of frame, adjusts and locks the position that removes the frame.
Compared with the prior art, the invention has the beneficial effects that:
(1) The device for testing the impact strength of the prefabricated member of the concrete floor is provided with an upper locking frame and a protective cover, wherein the upper locking frame and the protective cover are driven by an upper connecting rod, a toothed block, a gear and a lower connecting rod to simultaneously rotate reversely, so that when the upper locking frame is driven to move downwards to lock the floor, the protective cover can be lifted to enclose a floor detection area, the floor is ensured to be stably detected, meanwhile, the floor can be prevented from cracking to hurt workers, and the convenience and the safety of the use of the device are improved;
(2) This concrete floor prefab impact strength testing arrangement is provided with and removes the frame, can drive and remove the frame and remove, adjusts the position of master gear and pinion, utilizes master gear and pinion to the drive of the driven gear that the meshing is connected, realizes driven gear's slew rate's adjustment to the falling speed of control impact block realizes the adjustment of impact block impact force, carries out impact strength to the floor with the impact force of difference and detects, improves the variety that the device detected.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic front view of a linkage gear according to the present invention;
FIG. 3 is a schematic side sectional view of the present invention;
FIG. 4 is a schematic view of the main cross-sectional structure of the present invention;
FIG. 5 is a schematic view of a screw rod of the present invention in a top-down view;
FIG. 6 is a schematic side sectional view of the mounting plate of the present invention;
FIG. 7 is a rear view of the connection between the driving gear and the driven gear;
FIG. 8 is a rear view of the connection between the pinion and the driven gear of the present invention;
fig. 9 is a schematic top view of the loading platform of the present invention.
In the figure: 1. a detection table; 2. a feeding table; 3. a roller; 4. a mounting frame; 5. a servo motor; 6. a driving rotating shaft; 7. a protective cover; 8. a lower connecting rod; 9. a tooth block; 10. a fixed mount; 11. a rotating shaft; 12. a linkage gear; 13. a lower bracket; 14. a slide bar; 15. a screw rod; 16. an upper locking frame; 17. an upper connecting rod; 18. mounting a plate; 19. a driven rotating rod; 20. rotating the rod; 21. a bump; 22. a movable frame; 23. a drive motor; 24. a main rotating rod; 25. a main gear; 26. an auxiliary rotating rod; 27. a pinion gear; 28. a threaded rod; 29. a nut; 30. an adjusting bracket; 31. an impact block; 32. a driven gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a device for testing the impact strength of a precast concrete floor comprises a detection table 1, wherein a feeding table 2 is installed on the left side of the detection table 1, a roller 3 is rotatably connected to the upper side of the feeding table 2, and an installation frame 4 is installed on the right side of the feeding table 2;
the servo motor 5 is fixed on the upper right side of the mounting frame 4 through a bolt, the output end of the servo motor 5 is connected with an active rotating shaft 6, and the active rotating shaft 6 is rotatably connected to the upper side of the mounting frame 4;
the protective cover 7 is connected to the outer side of the detection table 1 in a sliding mode, and a lower connecting rod 8 is installed on the right front side of the protective cover 7;
a fixed frame 10 which is arranged at the left lower part of the mounting frame 4, the upper end of the fixed frame 10 is rotatably connected with a rotating shaft 11, and the outer side key of the rotating shaft 11 is connected with a linkage gear 12;
the lower support 13 is arranged on the front side and the rear side of the upper side of the detection table 1, a slide rod 14 is connected to the upper right of the lower support 13, an upper locking frame 16 is connected to the outer side of the slide rod 14 in a sliding mode, a screw rod 15 is connected to the inner thread of the upper locking frame 16, the screw rod 15 is rotatably connected to the upper right of the lower support 13, and the screw rod 15 is connected with the active rotating shaft 6 through a belt;
an upper link 17 installed on the right front side of the upper lock bracket 16 at the front position, and a tooth block 9 is installed on both the right side of the upper link 17 and the left side of the lower link 8;
the upper side surface of the feeding table 2 is distributed in an inclined shape, and rollers 3 are uniformly distributed on the upper side surface of the feeding table 2; the driving rotating shaft 6 and the 2 symmetrically distributed lead screws 15 are distributed in a triangular mode, the lead screws 15 penetrate through the inner portion of the upper locking frame 16, and the upper locking frame 16 and the lower support 13 are arranged correspondingly; the protective cover 7 covers the outside of the detection platform 1, and the side section of the detection platform 1 is of a concave structure; the tooth blocks 9 are distributed at the joints of the lower connecting rod 8, the upper connecting rod 17 and the linkage gear 12 at equal intervals, and the lower connecting rod 8 and the upper connecting rod 17 are distributed in parallel;
the worker moves the floor from the feeding table 2 to the detection table 1, the floor can be moved to the detection table 1 in a labor-saving manner due to the fact that the rotary roller 3 is arranged on the feeding table 2, the floor is clamped on the lower support 13 on two side faces, the servo motor 5 is powered on as shown in a combined figure 2-3, the servo motor 5 is controlled to rotate forwards, the servo motor 5 controls the driving rotating shaft 6 connected with the output end to rotate, the driving rotating shaft 6 controls the screw rod 15 connected with the belt to rotate, the screw rod 15 controls the upper locking frame 16 in threaded connection on the outer side to move downwards, the upper locking frame 16 can be controlled to stably move vertically due to the fact that the upper locking frame 16 slides on the outer side of the sliding rod 14, the distance between the upper locking frame 16 and the lower support 13 is shortened, and the floor is locked in position, when the upper locking frame 16 moves downwards, the upper connecting rod 17 installed on the front side is controlled by the upper locking frame 16 to move downwards, the tooth block 9 is meshed with the linkage gear 12 and can control the linkage gear 12 to rotate, the linkage gear 12 controls the lower connecting rod 8 to move upwards, the protective cover 7 installed at the control end part of the lower connecting rod 8 moves upwards to lift the protective cover 7, the protective cover 7 is enclosed on the outer side of the floor slab, the protective cover 7 is made of transparent materials, so that a worker can conveniently observe the detection condition of the floor slab, and the active rotating shaft 6 can be driven to drive the lead screw 15 to rotate reversely to drive the upper locking frame 16 to move upwards only by controlling the servo motor 5 to rotate reversely in the following process;
the mounting plate 18 is mounted at the upper left of the mounting frame 4, a moving frame 22 is arranged at the rear side of the mounting plate 18, a driving motor 23 is fixed on a rear bolt of the moving frame 22, the output end of the driving motor 23 is connected with a main rotating rod 24, and a main gear 25 is connected with the outer side key of the main rotating rod 24;
an auxiliary rotating rod 26 which is rotatably connected to one side of the moving frame 22 far away from the main rotating rod 24, the main rotating rod 24 and the auxiliary rotating rod 26 are connected through a belt, and an auxiliary gear 27 is connected to the end key of the auxiliary rotating rod 26;
the driven rotating rod 19 is rotatably connected to the mounting plate 18, the rotating rod 20 is mounted at the front end of the driven rotating rod 19, the protruding block 21 is connected to one end, far away from the driven rotating rod 19, of the rotating rod 20, the adjusting frame 30 is sleeved on the outer side of the protruding block 21, the impact block 31 is mounted at the lower end of the adjusting frame 30, and the impact block 31 penetrates through the mounting frame 4 and is in sliding connection with the mounting frame 4;
a driven gear 32 which is key-connected to the rear end of the driven rotary rod 19;
the movable frame 22 is also provided with threaded rods 28, the threaded rods 28 are arranged on the left side and the right side of the movable frame 22, and nuts 29 are connected to the outer side of the threaded rods 28 in a threaded mode; the rotary rod 20 is coaxially connected with the driven gear 32, the outer diameter and the number of teeth of the driven gear 32 are both larger than those of the auxiliary gear 27 in meshed connection, and the outer diameter and the number of teeth of the driven gear 32 are both smaller than those of the main gear 25 in meshed connection; the lug 21 is in sliding connection with the adjusting frame 30, and the joint of the adjusting frame 30 and the lug 21 is provided with an arc through groove; the rear view surface of the movable frame 22 is an n-shaped structure, the movable frame 22 and the mounting plate 18 form a left-right sliding structure through a threaded rod 28, and the contact part of the mounting plate 18 and the threaded rod 28 is a smooth structure;
after the floor is locked and enclosed, as shown in fig. 6-8, the driving motor 23 is powered on, the driving motor 23 controls the rotation of the main rotating rod 24 connected to the output end at the outer side, the main rotating rod 24 controls the rotation of the auxiliary rotating rod 26 connected to the belt, so that the main rotating rod 24 can drive the main gear 25 connected to the outer side key to rotate, the auxiliary rotating rod 26 can drive the auxiliary gear 27 connected to the outer side key to rotate, as shown in fig. 8, when the auxiliary gear 27 is meshed with the driven gear 32, the auxiliary gear 27 can control the driven gear 32 to rotate slowly, the driven gear 32 can control the rotating rod 20 connected coaxially to rotate slowly, the projection 21 mounted at the end of the rotating rod 20 slides inside the adjusting frame 30 to drive the adjusting frame 30 to move up and down, the adjusting frame 30 controls the impact block 31 to vertically move, at the moment, the impact force of the impact block 31 is small, the impact block 31 is used for conducting impact test on a floor, the driving nut 29 rotates, the controlling nut 29 rotates and moves on the threaded rod 28 in threaded connection, a moving space of the moving frame 22 is reserved, the moving frame 22 is controlled to move rightwards, the driving main gear 25 moves rightwards to be meshed with the driven gear 32, the controlling nut 29 moves to be attached to the left side portion and the right side portion of the mounting plate 18, the position of the moving frame 22 is locked, as shown in fig. 7, at the moment, the main gear 25 controls the driven gear 32 to rotate fast, the adjusting frame 30 is controlled to drive the impact block 31 to move downwards fast, at the moment, the impact force of the impact block 31 is large, and the impact strength of the floor is further detected.
The working principle is as follows: when the device for testing the impact strength of the precast concrete floor is used, firstly, the whole device shown in fig. 1 is stably placed in a working area, a worker moves a floor from a feeding table 2 to a detection table 1, a servo motor 5 is powered on, a driving rotating shaft 6 controls a screw rod 15 connected with a belt to rotate, the screw rod 15 controls an upper locking frame 16 in external threaded connection to move, the distance between the upper locking frame 16 and a lower frame 13 is adjusted, the floor is locked in position, meanwhile, a protective cover 7 is lifted up due to the transmission of a linkage gear 12 to enclose the floor, a driving motor 23 is powered on, a main gear 25 and a secondary gear 27 rotate, a driven gear 32 is driven to rotate at different speeds, and an impact block 31 vertically moves to perform impact testing on the floor, and the content which is not described in detail in the specification belongs to the prior art which is well known to a person skilled in the art.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The device for testing the impact strength of the precast concrete floor comprises a detection table (1), wherein a feeding table (2) is installed on the left side of the detection table (1), a roller (3) is rotatably connected to the upper side of the feeding table (2), and a mounting frame (4) is installed on the right side of the feeding table (2);
the servo motor (5) is fixed on the upper right of the mounting rack (4) through a bolt, the output end of the servo motor (5) is connected with an active rotating shaft (6), and the active rotating shaft (6) is rotatably connected to the upper side of the mounting rack (4);
the method is characterized in that: further comprising:
the protective cover (7) is connected to the outer side of the detection table (1) in a sliding mode, and a lower connecting rod (8) is installed on the right front side of the protective cover (7);
the fixing frame (10) is installed at the lower left of the mounting frame (4), the upper end of the fixing frame (10) is rotatably connected with a rotating shaft (11), and the outer side key of the rotating shaft (11) is connected with a linkage gear (12);
the detection device comprises a lower support (13) which is arranged on the front side and the rear side of the upper side of the detection table (1), a slide rod (14) is connected to the upper right side of the lower support (13), an upper locking frame (16) is connected to the outer side of the slide rod (14) in a sliding mode, a screw rod (15) is connected to the inner thread of the upper locking frame (16) in a threaded mode, the screw rod (15) is rotatably connected to the upper right side of the lower support (13), and the screw rod (15) is connected with the driving rotating shaft (6) through a belt;
an upper connecting rod (17) which is arranged at the right front side of the upper locking frame (16) at the front position, and a tooth block (9) is arranged at the right side of the upper connecting rod (17) and the left side of the lower connecting rod (8);
the mounting plate (18) is mounted above the left side of the mounting frame (4), a moving frame (22) is arranged on the rear side of the mounting plate (18), a driving motor (23) is fixed to a rear bolt of the moving frame (22), the output end of the driving motor (23) is connected with a main rotating rod (24), and the outer side of the main rotating rod (24) is in key connection with a main gear (25);
the auxiliary rotating rod (26) is rotatably connected to one side, away from the main rotating rod (24), of the moving frame (22), the main rotating rod (24) is connected with the auxiliary rotating rod (26) through a belt, and an auxiliary gear (27) is connected to the end portion of the auxiliary rotating rod (26) in a key mode;
the driven rotating rod (19) is rotatably connected to the mounting plate (18), a rotating rod (20) is mounted at the front end of the driven rotating rod (19), a protruding block (21) is connected to one end, far away from the driven rotating rod (19), of the rotating rod (20), an adjusting frame (30) is sleeved on the outer side of the protruding block (21), an impact block (31) is mounted at the lower end of the adjusting frame (30), and the impact block (31) penetrates through the mounting frame (4) and is in sliding connection with the mounting frame (4);
and a driven gear (32) which is keyed on the rear end of the driven rotating rod (19).
2. The apparatus for testing impact strength of a concrete floor preform according to claim 1, wherein: the movable rack (22) is further provided with a threaded rod (28), the threaded rod (28) is installed on the left side and the right side of the movable rack (22), and the outer side of the threaded rod (28) is connected with a nut (29) through threads.
3. The apparatus of claim 1, wherein the apparatus comprises: the upper side surface of the feeding table (2) is distributed in an inclined manner, and the rollers (3) are uniformly distributed on the upper side surface of the feeding table (2).
4. The apparatus for testing impact strength of a concrete floor preform according to claim 1, wherein: the driving rotating shaft (6) and the symmetrically distributed 2 screw rods (15) are distributed in a triangular mode, the screw rods (15) penetrate through the inner portion of the upper locking frame (16), and the upper locking frame (16) and the lower support (13) are arranged correspondingly to each other.
5. The apparatus of claim 1, wherein the apparatus comprises: the protection cover (7) covers the outside of the detection platform (1), and the side section of the detection platform (1) is of a concave structure.
6. The apparatus for testing impact strength of a concrete floor preform according to claim 1, wherein: the tooth blocks (9) are distributed at equal intervals at the joint of the lower connecting rod (8) and the upper connecting rod (17) with the linkage gear (12), and the lower connecting rod (8) and the upper connecting rod (17) are distributed in parallel.
7. The apparatus of claim 1, wherein the apparatus comprises: the swing arm (20) with driven gear (32) are coaxial coupling, just the external diameter and the number of teeth of driven gear (32) all are greater than the meshing and connect the external diameter and the number of teeth of pinion (27), and the external diameter and the number of teeth of driven gear (32) all are less than the meshing and connect the external diameter and the number of teeth of master gear (25).
8. The apparatus for testing impact strength of a concrete floor preform according to claim 1, wherein: the lug (21) and the adjusting frame (30) are in sliding connection, and the connecting part of the adjusting frame (30) and the lug (21) is provided with an arc-shaped through groove.
9. The apparatus for testing impact strength of a concrete floor preform according to claim 2, wherein: the rear view face of removing frame (22) is "n" shape structure, just remove frame (22) and pass through threaded rod (28) with mounting panel (18) constitute horizontal slip structure, just mounting panel (18) with the contact department of threaded rod (28) is smooth column structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211236654.5A CN115575262A (en) | 2022-10-10 | 2022-10-10 | Concrete floor prefab shock resistance testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211236654.5A CN115575262A (en) | 2022-10-10 | 2022-10-10 | Concrete floor prefab shock resistance testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN115575262A true CN115575262A (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211236654.5A Pending CN115575262A (en) | 2022-10-10 | 2022-10-10 | Concrete floor prefab shock resistance testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223256A (en) * | 2023-05-10 | 2023-06-06 | 河北建设集团天辰建筑工程有限公司 | Paint testing device for building construction of virtual template |
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2022
- 2022-10-10 CN CN202211236654.5A patent/CN115575262A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116223256A (en) * | 2023-05-10 | 2023-06-06 | 河北建设集团天辰建筑工程有限公司 | Paint testing device for building construction of virtual template |
| CN116223256B (en) * | 2023-05-10 | 2023-12-15 | 河北建设集团天辰建筑工程有限公司 | Paint testing device for building construction of virtual template |
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