CN200986512Y - Spring extension and compression testing machine - Google Patents
Spring extension and compression testing machine Download PDFInfo
- Publication number
- CN200986512Y CN200986512Y CNU2006200167585U CN200620016758U CN200986512Y CN 200986512 Y CN200986512 Y CN 200986512Y CN U2006200167585 U CNU2006200167585 U CN U2006200167585U CN 200620016758 U CN200620016758 U CN 200620016758U CN 200986512 Y CN200986512 Y CN 200986512Y
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- ball
- spring
- platen
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Abstract
The utility model relates to a spring tension-compression tester. The tester includes a seat and a frame. The frame mainly comprises an upper cross beam, a lower cross beam and a linear guide rail support. The seat is inner provided with a transmission device connected with a control unit, the output end of the transmission device is tightly connected with the lower end of a vertical ball screw through a connecting part, the ball screw is movably connected between the upper cross beam and the lower cross beam through a bearing, the ball screw is movably sleeved with a middle cross beam, and a tension-compression clamp sensor device is arranged between the middle cross beam and the upper cross beam and between the middle cross beam and the lower cross beam. A grating ruler parallel to the ball screw is arranged on the frame. The two sides of the ball screw are parallel provided with two symmetric linear guide rails, the two linear guide rails are separately sleeved with a left and a right connecting block, the guiding and stabilizing left and right connecting blocks are tightly connected with the middle cross beam. Through such design, the utility model is characterized in precise measurement, high guide precision, low cost, high rigidity and high transmission efficiency.
Description
Technical field
The utility model relates to surveying instrument, refers in particular to a kind of being applicable to and measures various extension springs, and compression spring and other stretch, the spring tension and compression testing machine of the various features parameter of compression elastic piece.
Background technology
Along with development of modern industry, the application of various springs and stretching, compression elastic piece is very extensive, simultaneously every characteristic of spring and stretching, compression elastic piece is required more and more higher, more and more accurate to the measurement requirement of the various features of spring and stretching, compression elastic piece; Particularly in precision optical machinery, instrument, instrument industry, spring and stretching, the every characteristic of compression elastic piece are required strictly more, also require more accurate the measurement of every characteristic of spring and stretching, compression elastic piece.In the existing spring tension and compression testing equipment, mainly adopt single polished rod guiding, guiding accuracy is poor, and the rigidity of complete machine is also relatively poor, and the result of test often needs to carry out the rigidity correction; Another spring tension and compression testing machine is realized on electronic universal tester, its complex structure, cost height.
Summary of the invention
The purpose of this utility model is exactly that provide at the deficiencies in the prior art part a kind of measures that precision, guiding accuracy height, cost are lower, complete machine rigidity height, spring tension and compression testing machine that transmission efficiency is high.
For achieving the above object, the utility model includes support and the frame that is positioned on the support, frame is mainly by entablature, sill and the line slideway support that is connected are between the two formed, the gearing that is connected with control module is housed in support, output terminal at gearing is fastenedly connected by web member and the ball-screw lower end that is vertical state, ball-screw is movably connected between entablature and the sill by bearing, the screw thread movable sleeve is connected to middle cross beam on ball-screw, at middle cross beam and entablature, tension and compression anchor clamps sensor device is housed between the sill; The grating chi parallel with ball-screw is installed on the frame; At the parallel respectively line slideway that is equiped with two symmetries in the both sides of ball-screw, on two line slideways, be socketed with left and right contiguous block respectively, the left and right contiguous block and the middle cross beam that play the guiding stabilization are fastenedly connected.
Described gearing includes: servomotor, driving wheel, engaged wheel, synchronous band, electric machine support, and servomotor is installed on the electric machine support, and driving wheel is installed on the output terminal of servomotor, is connected with synchronous band between driving wheel and engaged wheel; Trip bolt is fastenedly connected by the end face of nut with engaged wheel and ball-screw, on the tapered bearing in the bearing seat of bottom sleeve in being installed in sill of ball-screw.
Described tension and compression anchor clamps sensor device comprises stretching clamp mechanism and compression clamp mechanism and sensor: stretching clamp mechanism includes hook, spring lower draw-bar, marble screw, knurled nut, milled screw on ball screw, nut, joint, the spring, the bulb end of ball screw be socketed in the entablature groove and on end cap on, the ball screw bottom is connected with joint by nut, and hook is connected on the joint on the spring; On middle cross beam, be fixed with joint, be connected with lower draw-bar by marble screw, knurled nut, milled screw on the joint; Compression clamp mechanism includes attachment screw, sensor mat, sensor, connecting screw rod, goes up platen, following platen, screw, platen backing plate, screw is fastened together middle cross beam, sensor mat, sensor, below the sensor by connecting screw rod fixedly connected on platen; Be lined with the platen backing plate on sill, be coated with down platen on the platen backing plate, screw links together plate mat plate and following platen.
Described platen card down is the spherical structure that makes things convenient for the leveling spring.
Be equiped with upper and lower spacing screw in described frame left side, the slide block set that this upper and lower spacing screw connects is located on the straight line slide guide bar, at left contiguous block sidepiece collision block with upper and lower spacing screw fit is housed.
Described servomotor, sensor and grating chi are connected with external data presentation treatment facility by control module.
Described line slideway is a micron order guiding accuracy height, line slideway stably moves.
Described ball-screw is the high precision ball leading screw, and when assembling preload eliminate and be installed in gap between entablature, the sill.
Hook, spring lower draw-bar can be designed to the hook of different size as required on the described spring, change required hook by the rotational structure of connected joint.
After adopting said structure, the utility model is compared than existing apparatus has following characteristics: one, adopted the line slideway of two parallel symmetries to substitute original single guide rail, improved guiding accuracy, and the rigidity of complete machine is improved greatly, overcome the deficiency that needs the rigidity correction after existing equipment is tested; Its two, adopt the synchronous pulley gearing-down, make transmission efficiency improve energy savings; Its three, stretching clamp adopts bulb to connect, can self-centering during test, the warranty test data are accurately and reliably; Also can be according to different spring samples, the hook of the different sizes of design, simple, convenient; Its four, the following platen of compression clamp adopts the spherical structure design, can make things convenient for leveling; Its five, adopt high precision import ball-screw, preload is eliminated the gap, realize steadily afterburning, the measuring accuracy height; Its six, can adopt high precision grating chi, resolution can reach 1 μ m, deformation measurement is accurate; Its seven, start automatically detects initial point.After the Equipment Alignment, the software of at every turn starting shooting can be discerned initial point automatically, and shows the absolute position of platen or hook.
Description of drawings
Fig. 1 is the utility model tension and compression pusher side face sectional structure synoptic diagram;
Fig. 2 is the utility model tension and compression machine master TV structure synoptic diagram;
Fig. 3 is the structural representation of the utility model tension and compression anchor clamps sensor device;
Fig. 4 is the utility model perspective view;
Fig. 5 is the structural representation of the utility model gearing;
Fig. 6 is a perspective view of the present utility model.
Embodiment
As depicted in figs. 1 and 2, the utility model includes support 1 and the frame 2 that is positioned on the support 1, frame 2 is mainly by entablature 2a, sill 2b and the line slideway support 2c that is connected between the two form, the gearing 3 that is connected with control module is housed in support 1, output terminal at gearing 3 is fastenedly connected by web member and ball-screw 4 lower ends that are vertical state, ball-screw 4 is movably connected between entablature 2a and the sill 2b by bearing, the screw thread movable sleeve is connected to middle cross beam 2d on ball-screw 4, at middle cross beam 2d and entablature 2a, tension and compression anchor clamps sensor device 5 is housed between the sill 2b; The grating chi 9 parallel with ball-screw 4 is installed on the frame 2; Parallel respectively line slideway 6a, the 6b that is equiped with two symmetries in the both sides of ball-screw 4 is socketed with left and right contiguous block 7,8 respectively on two line slideway 6a, 6b, the left and right contiguous block 7,8 and the middle cross beam 2d that play the guiding stabilization are fastenedly connected.
Again as shown in Figure 5, described gearing 3 includes: servomotor 3a, driving wheel 3b, engaged wheel 3c, be with 3d, electric machine support 3e synchronously, servomotor 3a is installed on the electric machine support 3e, driving wheel 3b is installed on the output terminal of servomotor 3a, is connected with synchronous band 3d between driving wheel 3b and engaged wheel 3c; Trip bolt 10 is fastenedly connected by the end face of nut 11 with engaged wheel 3c and ball-screw 4, on the tapered bearing 13 in the bearing seat 12 of the bottom sleeve of ball-screw 4 in being installed in sill 2b.
As shown in Figure 3, described tension and compression anchor clamps sensor device 5 comprises stretching clamp mechanism and compression clamp mechanism and sensor: stretching clamp mechanism includes and links up with 5d, spring lower draw-bar 5e, marble screw 5f, knurled nut 5g, milled screw 5i on ball screw 5a, nut 5b, joint 5c, the spring, the bulb end of ball screw 5a be socketed in the entablature 2a groove and on end cap 2a1 on, ball screw 5a bottom is connected with joint 5c by nut 5b, and hook 5d is connected on the joint 5c on the spring; Marble screw 5f, knurled nut 5g, milled screw 5i are connected the back and are connected by the sensor 5k of screw with middle cross beam 2d below with lower draw-bar 5e; Compression clamp mechanism includes attachment screw 5h, sensor mat 5j, sensor 5k, connecting screw rod 5l, last platen 5m, following platen 5n, screw 5o, platen backing plate 5p, screw 5h is fastened together middle cross beam 2d, sensor mat 5j, sensor 5k, below the sensor 5k by connecting screw rod 5l fixedly connected on platen 5m; Be lined with platen backing plate 5p on sill 2b, be coated with down platen 5n on the platen backing plate 5p, screw 5o links together plate mat plate 5p and following platen 5n.Described platen 5n card down is the spherical structure that makes things convenient for the leveling spring.
In addition, described servomotor 3a, sensor 5k and grating chi 9 are connected with external data presentation treatment facility 17 by control module.Described line slideway 6a, 6b are micron order guiding accuracy height, line slideway stably moves.Described ball-screw 4 is the high precision ball leading screw, and when assembling preload eliminate and be installed in gap between entablature 2a, the sill 2b.Link up with the hook that 5d, spring lower draw-bar 5e can be designed to different size as required on the described spring, change required hook by the rotational structure of connected joint.
During measurement, start automatically detects initial point, and after the Equipment Alignment, the software of at every turn starting shooting can be discerned initial point automatically, and shows the absolute position of hook 5d and spring lower draw-bar 5e on platen 5n down or the spring; The hook of the both ends of the spring of measured stretching is hung in to be linked up with on 5d and the spring lower draw-bar 5e on the spring, servomotor 3a drives driving wheel 3b and rotates, drive ball-screw 4 rotations by synchronous band 3d, engaged wheel 3c, driving middle cross beam 2d moves down, spring is stretched, the pulling force stimulus sensor 5k that acts on spring lower draw-bar 5e produces pressure signal, and simultaneously, grating chi 9 is measured the displacement signal that middle cross beam 2d moves down generation.In like manner, during compression spring, spring is placed in down on the platen 5n, and middle cross beam 2d moves down compression spring, and stimulus sensor 5k produces pressure signal, and grating chi 9 is measured the displacement signal that middle cross beam 2d moves down generation simultaneously; After signal Be Controlled unit is gathered, handled, export to that outside data presentation treatment facility 17 shows and processing such as printing; Reach the purpose of the spring sample being done test.
In sum, the utility model adopts the line slideway 9 of two parallel symmetries to substitute original single guide rail, has improved guiding accuracy, and the rigidity of complete machine is improved greatly, has overcome the deficiency that needs the rigidity correction after existing equipment is tested; And adopt the synchronous pulley gearing-down, make transmission efficiency improve energy savings; Stretching clamp adopts bulb to connect, can self-centering during test, and the warranty test data are accurately and reliably; Also can be according to different spring samples, the hook of the different sizes of design, simple, convenient; At the following platen of compression clamp, adopt the following platen of compression clamp, adopt the spherical structure design, can make things convenient for leveling.Therefore, the utlity model has measure accurate, guiding accuracy is high, cost is lower, complete machine rigidity height, characteristics that transmission efficiency is high.
Claims (10)
1, a kind of spring tension and compression testing machine, comprise support (1) and be positioned at frame (2) on the support (1), frame (2) is mainly by entablature (2a), sill (2b) and be connected between the two line slideway support (2c), the gearing (3) that is connected with control module is housed in support (1), output terminal at gearing (3) is fastenedly connected by web member and ball-screw (4) lower end that is vertical state, ball-screw (4) is movably connected between entablature (2a) and the sill (2b) by bearing, go up the screw thread movable sleeve at ball-screw (4) and be connected to middle cross beam (2d), at middle cross beam (2d) and entablature (2a), tension and compression anchor clamps sensor device (5) is housed between the sill (2b); The grating chi (9) parallel with ball-screw (4) is installed on the frame (2); It is characterized in that, the parallel respectively line slideway (6a, 6b) that is equiped with two symmetries in the both sides of ball-screw (4), be socketed with left and right contiguous block (7,8) on two line slideways (6a, 6b) respectively, the left and right contiguous block (7,8) that plays the guiding stabilization is fastenedly connected with middle cross beam (2d).
2, spring tension and compression testing machine according to claim 1, it is characterized in that, described gearing (3) includes: servomotor (3a), driving wheel (3b), engaged wheel (3c), synchronous band (3d), electric machine support (3e), servomotor (3a) is installed on the electric machine support (3e), driving wheel (3b) is installed on the output terminal of servomotor (3a), is connected with synchronous band (3d) between driving wheel (3b) and engaged wheel (3c); Trip bolt (10) is fastenedly connected by the end face of nut (11) with engaged wheel (3c) and ball-screw (4), on the tapered bearing (13) in the bearing seat (12) of the bottom sleeve of ball-screw (4) in being installed in sill (2b).
3, spring tension and compression testing machine according to claim 1 and 2 is characterized in that, described tension and compression anchor clamps sensor device (5) comprises stretching clamp mechanism and compression clamp mechanism and sensor:
Stretching clamp mechanism includes hook (5d), spring lower draw-bar (5e), marble screw (5f), knurled nut (5g), milled screw (5i) on ball screw (5a), nut (5b), joint (5c), the spring, the bulb end of ball screw (5a) be socketed in the entablature (2a) groove and on end cap (2a1) on, ball screw (5a) bottom is connected with joint (5c) by nut (5b), and hook (5d) is connected on the joint (5c) on the spring; On middle cross beam (2d), be fixed with joint, be connected with lower draw-bar (5e) by marble screw (5f), knurled nut (5g), milled screw (5i) on the joint;
Compression clamp mechanism includes attachment screw (5h), sensor mat (5j), sensor (5k), connecting screw rod (51), goes up platen (5m), following platen (5n), screw (5o), platen backing plate (5p), screw (5h) is fastened together middle cross beam (2d), sensor mat (5j), sensor (5k), passes through the fixedly connected platen (5m) of going up of connecting screw rod (51) in the below of sensor (5k); Be lined with platen backing plate (5p) on sill (2b), be coated with down platen (5n) on the platen backing plate (5p), screw (5o) links together plate mat plate (5p) and following platen (5n).
4, spring tension and compression testing machine according to claim 3 is characterized in that, described platen (5n) card down is the spherical structure that makes things convenient for the leveling spring.
5, spring tension and compression testing machine according to claim 1 and 2, it is characterized in that, be equiped with upper and lower spacing screw (14,15) in described frame (2) left side, the slide block set that this upper and lower spacing screw (14,15) connects is located on the straight line slide guide bar, and the collision block (16) that cooperates with upper and lower spacing screw (14,15) is housed at left contiguous block (7) sidepiece.
6, spring tension and compression testing machine according to claim 3, it is characterized in that, be equiped with upper and lower spacing screw (14,15) in described frame (2) left side, the slide block set that this upper and lower spacing screw (14,15) connects is located on the straight line slide guide bar, and the collision block (16) that cooperates with upper and lower spacing screw (14,15) is housed at left contiguous block (7) sidepiece.
7, spring tension and compression testing machine according to claim 3 is characterized in that, described servomotor (3a), sensor (5k) and grating chi (9) are connected with external data presentation treatment facility (17) by control module.
8, spring tension and compression testing machine according to claim 1 is characterized in that, described line slideway (6a, 6b) is a micron order guiding accuracy height, line slideway stably moves.
9, spring tension and compression testing machine according to claim 1 is characterized in that, described ball-screw (4) is the high precision ball leading screw, and when assembling preload eliminate and be installed in gap between entablature (2a), the sill (2b).
10, spring tension and compression testing machine according to claim 3, it is characterized in that, hook (5d), spring lower draw-bar (5e) can be designed to the hook of different size as required on the described spring, change required hook by the rotational structure of connected joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200167585U CN200986512Y (en) | 2006-12-26 | 2006-12-26 | Spring extension and compression testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200167585U CN200986512Y (en) | 2006-12-26 | 2006-12-26 | Spring extension and compression testing machine |
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| CN200986512Y true CN200986512Y (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2006200167585U Expired - Lifetime CN200986512Y (en) | 2006-12-26 | 2006-12-26 | Spring extension and compression testing machine |
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| CN (1) | CN200986512Y (en) |
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