CN208921545U - A kind of gauge length device for dotting for steel bar stretching test - Google Patents

Abstract

The utility model discloses a kind of gauge length device for dotting for steel bar stretching test comprising it includes rack, reciprocal creasing mechanism, belt indexing mechanism；It is easy to operate the utility model has the beneficial effects that the utility model structure is simple, the revolving speed of motor both adjustable spacing got ready need to be only adjusted, can satisfy the reinforcing bar of different pitch requirements；The utility model realizes the intermittent movement of belt equal time distances using internal gear and single-tooth gear, gets saw blade and reinforcing bar object relative axial movement ready getting moment guarantee ready, improves the accuracy got ready, improve the service life of device for dotting.

Description

A kind of gauge length device for dotting for steel bar stretching test

Technical field:

The utility model belongs to the laboratory equipment more particularly to a kind of gauge length for steel bar stretching test of Road Design Device for dotting.

Background technique:

Reinforcing steel bar scale distance dotting equipment is the instrument of calibration reinforcing bar length dimension before steel bar stretching test, accurate original gauge length It is basis and the guarantee of subsequent measurement reinforcing bar elongation percentage；But the existing generally existing following disadvantage of gauge length dotting equipment: 1, fixed The dotting equipment of formula can not adjust the length of gauge length, and the flexibility that equipment uses is poor；2, the dotting equipment of Bidirectional mobile is being beaten The state in a flash in relative movement of point, this phenomenon may cause reinforcing bar and generate displacement because of phase mutual friction, finally lead Inaccuracy is got in cause ready, influences final measurement result；Dotting equipment serious wear is also resulted in due to generating relative displacement, is used Service life is low.

Utility model content:

The purpose of this utility model is to provide a kind of gauge length device for dotting for steel bar stretching test.

The utility model is implemented by following technical solution: a kind of gauge length device for dotting for steel bar stretching test, packet Including it includes rack, reciprocal creasing mechanism, belt indexing mechanism；The rack includes being vertically arranged the first upright bar, the second upright bar, Horizontally disposed first connecting rod, second connecting rod, third connecting rod from the bottom to top；The both ends of the first connecting rod, the second connecting rod Both ends, the third connecting rod both ends be fixedly connected respectively on the inside of the inside of the first upright bar and the second upright bar, it is described The inside of first upright bar and second upright bar it is vertical be provided with sliding slot, first upright bar and second upright bar just under Fang Jun is fixedly installed with rectangular frame, vertical on the first connecting rod to be provided with saw blade through slot, on the second connecting rod Vertical is provided with sliding through hole, and the second connecting rod is identical with the third connecting rod structure；The reciprocal creasing mechanism packet Include sliding box, triangle arc cam, upper sliding bar, downslide lever, sliding block, impression saw blade composition, setting in the sliding box There is the triangle arc cam, the extrados of the triangle arc cam and the inner edge of the sliding box are tangent, in the sliding side The upper surface of frame is fixedly installed with the upper sliding bar straight up, is fixedly installed with down straight down below the sliding box Sliding bar, the lower end of the downslide lever are fixedly connected with the impression saw blade straight down, in the left and right of the sliding box What both ends were fixed is equipped with the sliding block, and transmission through-hole, the transmission through-hole and first are provided on the triangle arc cam One end of transmission shaft is keyed, and the other end and first motor of first transmission shaft are sequentially connected, and the first motor is fixed It is mounted on first motor frame, the first motor frame is fixed in first upright bar and second upright bar；The upper cunning Lever and the sliding through hole of the third connecting rod are slidably connected, the sliding of the downslide lever and the second connecting rod Through-hole is slidably connected, and the sliding block is slidably connected with the sliding slot；The skin is additionally provided with immediately below the impression saw blade Band indexing mechanism, the belt indexing mechanism include driving wheel, driven wheel, single-tooth gear, drive V-belt composition, the driving wheel Be sequentially connected with the driven wheel by the drive V-belt, be provided with annular internal tooth in the driving wheel, the annular internal tooth with One end key connection of single-tooth gear engagement, the center of the single-tooth gear and second driving shaft, the second driving shaft The other end is connect with the second motor drive, and second motor is fixedly mounted on the second motor rack, and second motor rack is solid In first upright bar, the center of the driving wheel and the first rotary shaft are keyed for Dingan County, and the two of first rotary shaft End is rotated by the inner wall of bearing and the frame to be connected, and the center of the driven wheel and the second rotary shaft are keyed, and described the The both ends of two rotary shafts are rotated by the inner wall of bearing and the frame to be connected, the first motor and second motor with Power electric connection；(it should be noted that the connection of axis and motor described in the utility model belongs to common existing skill Art, therefore simplify description, the connection relationship of the parts such as shaft coupling, retarder, bearing between axis and motor is omitted).

The utility model has the beneficial effects that the use of the new type structure is simple, and it is easy to operate, it need to only adjust the revolving speed of motor Both the adjustable spacing got ready, can satisfy the reinforcing bar of different pitch requirements；The utility model uses internal gear and monodentate tooth Wheel realizes the intermittent movement of belt equal time distances, gets saw blade and reinforcing bar object relative axial movement ready getting moment guarantee ready, The accuracy got ready is improved, the service life of device for dotting is improved.

Detailed description of the invention:

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the part A enlarged diagram of the utility model；

Fig. 3 is the part B enlarged diagram of the utility model；

The end perspective view of Fig. 4 the utility model；

Fig. 5 is the perspective view of the reciprocal creasing mechanism of the utility model

Fig. 6 is the mesh schematic representation of the utility model driving wheel and single-tooth gear；

Fig. 7 is the movement locus schematic diagram of the reciprocal creasing mechanism of the utility model；

In figure, rack 1, reciprocal creasing mechanism 2, belt indexing mechanism 3, the first upright bar 4, the second upright bar 5, first connecting rod 6, Second connecting rod 7, third connecting rod 8, sliding slot 9, frame 10, saw blade through slot 11, sliding through hole 12, sliding box 13, triangle arc cam 14, upper sliding bar 15, downslide lever 16, sliding block 17, impression saw blade 18, transmission through-hole 19, the first transmission shaft 20, first motor 21, first motor frame 22, driving wheel 23, driven wheel 24, single-tooth gear 25, drive V-belt 26, annular internal tooth 27, second driving shaft 28, the second motor 29, the second motor rack 30, the first rotary shaft 31, the second rotary shaft 32, reinforcing bar 33.

Specific embodiment:

As shown in Figures 1 to 7, a kind of gauge length device for dotting for steel bar stretching test, it is characterised in that: it includes it Including rack 1, reciprocal creasing mechanism 2, belt indexing mechanism 3；Rack 1 includes being vertically arranged the first upright bar 4, the second upright bar 5, by Under supreme horizontally disposed first connecting rod 6, second connecting rod 7, third connecting rod 8；The both ends of first connecting rod 6, second connecting rod 7 two It holds, the both ends of third connecting rod 8 are fixedly connected with the inside of the inside of the first upright bar 4 and the second upright bar 5 respectively, the first upright bar 4 With the inside of the second upright bar 5 it is vertical be provided with sliding slot 9, the underface side of being fixedly installed with of the first upright bar 4 and the second upright bar 5 The frame 10 of shape, it is vertical on first connecting rod 6 to be provided with saw blade through slot 11, it is vertical on second connecting rod 7 to be provided with sliding through hole 12, second connecting rod 7 is identical with 8 structure of third connecting rod；Reciprocal creasing mechanism 2 include sliding box 13, triangle arc cam 14, Upper sliding bar 15, downslide lever 16, sliding block 17, impression saw blade 18 form, and slide and are provided with triangle arc cam 14 in box 13, and three The extrados of angle arc cam 14 and the inner edge of sliding box 13 are tangent, are fixedly installed with straight up in the upper surface of sliding box 13 Upper sliding bar 15 slides and is fixedly installed with downslide lever 16 straight down below box 13, and the lower end of downslide lever 16 is vertical It is fixedly connected with impression saw blade 18 downwards, sliding block 17 is installed what the left and right ends of sliding box 13 were fixed, triangle arc is convex Wheel 14 on be provided with transmission through-hole 19, transmission through-hole 19 and the first transmission shaft 20 one end key connection, the first transmission shaft 20 it is another One end and first motor 21 are sequentially connected, and first motor 21 is fixedly mounted on first motor frame 22, and first motor frame 22 is fixed In the first upright bar 4 and the second upright bar 5；The sliding through hole 12 of upper sliding bar 15 and third connecting rod 8 is slidably connected, downslide lever 16 It is slidably connected with the sliding through hole 12 of second connecting rod 7, sliding block 17 is slidably connected with sliding slot 9；The underface of impression saw blade 18 also It is provided with belt indexing mechanism 3, belt indexing mechanism 3 includes driving wheel 23, driven wheel 24, single-tooth gear 25,26 groups of drive V-belt It is sequentially connected at, driving wheel 23 and driven wheel 24 by drive V-belt 26, is provided with annular internal tooth 27 in driving wheel 23, in annular Tooth 27 is engaged with single-tooth gear 25, the center of single-tooth gear 25 and one end key connection of second driving shaft 28, second driving shaft 28 The other end and the second motor 29 be sequentially connected, the second motor 29 is fixedly mounted on the second motor rack 30, the second motor rack 30 It is fixedly mounted in the first upright bar 4, the center of driving wheel 23 and the first rotary shaft 31 are keyed, and the both ends of the first rotary shaft 31 are logical The inner wall rotation for crossing bearing and frame 10 connects, and the center of driven wheel 24 and the second rotary shaft 32 are keyed, the second rotary shaft 32 Both ends rotated and connect by the inner wall of bearing and frame 10, first motor 21 and the second motor 29 are electrically connected to a power source.

Working principle: when work, reinforcing bar 33 being put on drive V-belt, starts first motor 21 and the second motor 29, the One motor 21 drives reciprocal creasing mechanism 2 to realize movement of getting ready up and down reciprocatingly, and the second motor 29 drives the biography of belt indexing mechanism 3 It is dynamic, so that the equal time distances on drive V-belt 26 of reinforcing bar 33 is done intermittent Linear transmission, uniformly accurately gets ready to realize Movement.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (1)

1. a kind of gauge length device for dotting for steel bar stretching test, it is characterised in that: it include it include rack (1), it is reciprocal Creasing mechanism (2), belt indexing mechanism (3)；The rack (1) includes being vertically arranged the first upright bar (4), the second upright bar (5), by Under supreme horizontally disposed first connecting rod (6), second connecting rod (7), third connecting rod (8)；The both ends of the first connecting rod (6), institute The both ends at the both ends, the third connecting rod (8) of stating second connecting rod (7) respectively with the inside of the first upright bar (4) and the second upright bar (5) be fixedly connected on the inside of, the inside of first upright bar (4) and second upright bar (5) it is vertical be provided with sliding slot (9), The underface of first upright bar (4) and second upright bar (5) is fixedly installed with rectangular frame (10), described first It is vertical on connecting rod (6) to be provided with saw blade through slot (11), it is vertical on the second connecting rod (7) to be provided with sliding through hole (12), institute It is identical with the third connecting rod (8) structure to state second connecting rod (7)；The reciprocal creasing mechanism (2) includes sliding box (13), triangle arc cam (14), upper sliding bar (15), downslide lever (16), sliding block (17), impression saw blade (18) composition, it is described The triangle arc cam (14), the extrados of the triangle arc cam (14) and the sliding side are provided in sliding box (13) The inner edge of frame (13) is tangent, is fixedly installed with the upper sliding bar (15) straight up in the upper surface of described sliding box (13), It is fixedly installed with straight down downslide lever (16) below the sliding box (13), the lower end of the downslide lever (16) is perpendicular Directly be fixedly connected with the impression saw blade (18) downwards, sliding box (13) the fixed installation in left and right ends It states sliding block (17), transmission through-hole (19), the transmission through-hole (19) and the first transmission is provided on the triangle arc cam (14) One end of axis (20) is keyed, and the other end of first transmission shaft (20) and first motor (21) are sequentially connected, and described first Motor (21) is fixedly mounted on first motor frame (22), the first motor frame (22) be fixed on first upright bar (4) and On second upright bar (5)；The sliding through hole (12) of the upper sliding bar (15) and the third connecting rod (8), which is slided, to be connected Connect, the downslide lever (16) and the sliding through hole (12) of the second connecting rod (7) are slidably connected, the sliding block (17) with The sliding slot (9) is slidably connected；The belt indexing mechanism (3), institute are additionally provided with immediately below the impression saw blade (18) State belt indexing mechanism (3) include driving wheel (23), driven wheel (24), single-tooth gear (25), drive V-belt (26) composition, it is described Driving wheel (23) and the driven wheel (24) are sequentially connected by the drive V-belt (26), are provided in the driving wheel (23) Annular internal tooth (27), the annular internal tooth (27) are engaged with the single-tooth gear (25), the center of the single-tooth gear (25) with One end key connection, the other end of the second driving shaft (28) and the second motor (29) of second driving shaft (28) are sequentially connected, Second motor (29) is fixedly mounted on the second motor rack (30), and second motor rack (30) is fixedly mounted on described In one upright bar (4), the center and the first rotary shaft (31) of the driving wheel (23) are keyed, and the two of first rotary shaft (31) End is rotated by bearing and the inner wall of the frame (10) to be connected, the center of the driven wheel (24) and the second rotary shaft (32) key Connection, the both ends of second rotary shaft (32) are rotated by bearing and the inner wall of the frame (10) to be connected；First electricity Machine (21) and second motor (29) are electrically connected to a power source.