CN210664959U

CN210664959U - Tension and compression spring stiffness measuring device

Info

Publication number: CN210664959U
Application number: CN201921950952.4U
Authority: CN
Inventors: 高锦秋; 刑小栋
Original assignee: Jiangsu Lianqun Electronic Technology Co Ltd
Current assignee: Jiangsu Lianqun Electronic Technology Co Ltd
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-06-02
Anticipated expiration: 2029-11-09

Abstract

The utility model discloses a draw and press spring rigidity measuring device, which comprises a base, measuring mechanism is installed on the top of base, and the bottom of base installs balance mechanism, measuring mechanism's externally mounted has protection mechanism, and one side of protection mechanism installs the control box. The utility model discloses in, transmission through first gear and second gear can be fine realizes rotating at the same speed, ensure to draw the ascending decline in-process stationarity of clamp plate, the contact of accurate ball and workstation can be avoided to the second axis of rotation, it is more nimble to let ball rotate, it cup joints on the slide bar surface to draw the clamp plate, can ensure to draw the ascending in-process position of clamp plate not to take place the skew, guarantee to draw the ascending decline in-process stability of clamp plate, the tensile record appearance, the drag hook, first spring fixed block, it is corresponding to the end between resistance to compression record appearance and the second spring fixed block, it is even to detect the spring atress when guaranteeing to detect, guarantee to detect the precision.

Description

Tension and compression spring stiffness measuring device

Technical Field

The utility model relates to a product detection technology field especially relates to a draw pressure spring rigidity measuring device.

Background

The tension and compression spring stiffness measuring device is one of industrial product detection devices, is an important precise instrument for spring product performance identification, has a wide application field of springs, can influence detection data if no detection device with good stability and effect is provided, causes inaccurate data, and finally influences the quality of spring products.

When the existing tension and compression spring stiffness measuring device is used, the existing tension and compression spring stiffness measuring device is usually supported by supports on two sides, deformation is easy to occur after long-term use, a protective device is not arranged outside the existing tension and compression spring stiffness measuring device, the existing tension and compression spring stiffness measuring device is unsafe for detection personnel when a spring stiffness critical point is detected, and whether the position of the existing tension and compression spring stiffness measuring device is in a nearly horizontal state or not is unknown in the detection process, so that the detection result of a spring product can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current tension and compression spring rigidity measuring device, lead to the support through both sides, use for a long time and take place deformation easily, and the outside does not have protector, is very unsafe to the measurement personnel often detecting the spring rigidity critical point, does not know moreover whether do not know in the testing process that the detection device position is in the testing result that is close to the horizontality and can influence the spring product, and the tension and compression spring rigidity measuring device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tension and compression spring rigidity measuring device comprises a base, wherein a measuring mechanism is installed at the top end of the base, a balancing mechanism is installed at the bottom end of the base, a protection mechanism is installed outside the measuring mechanism, a control box is installed on one side of the protection mechanism, a servo motor is arranged inside the measuring mechanism, a first gear is fixedly connected to the bottom end of the servo motor, two sides of the first gear are respectively connected with a second gear in a meshed mode, a first rotating shaft is fixedly connected to the bottom end of the second gear, a supporting plate is fixedly connected to the bottom end of the first rotating shaft, a tensile recorder is connected to the inside of the supporting plate close to a central line position in an embedded mode, a drag hook is fixedly connected to the bottom end of the tensile recorder, the drag hook is connected with the supporting plate in a sleeved mode, and a precise ball screw is connected to the, and the surface of accurate ball is cup jointed and is connected with and draws the clamp plate, the top of drawing the clamp plate is close to the first spring fixed block of central line position fixedly connected with, and draws the bottom of clamp plate to be close to central line position fixedly connected with resistance to compression record appearance, the inside of drawing the clamp plate is close to both sides position fixedly connected with slide bar, and the bottom fixedly connected with workstation of slide bar, the top fixedly connected with second axis of rotation of workstation, and be fixed connection between second axis of rotation and the accurate ball, the top of workstation is close to central line position fixedly connected with second spring fixed block.

As a further description of the above technical solution:

be fixed connection between slide bar and the backup pad, and the slide bar constitutes sliding construction through drawing between clamp plate and the accurate ball, the position is corresponding between drag hook and the first spring fixed block, and the position between first spring fixed block and the resistance to compression record appearance is corresponding, the position between resistance to compression record appearance and the second spring fixed block is corresponding.

As a further description of the above technical solution:

the balance mechanism is characterized in that the balance mechanism is internally provided with a bottom plate, the bottom plate is fixedly connected with the base, the front surface of the bottom plate is close to the central position and is connected with a level meter in an embedded mode, and the bottom end of the bottom plate is far away from the central line position and is connected with a hand-screwed bolt in a sleeved mode.

As a further description of the above technical solution:

the position between the level gauge and the second spring fixing block corresponds, and the level gauge forms a lifting structure through the bottom plate and the hand-screwed bolt.

As a further description of the above technical solution:

the inside of protection mechanism is including transparent protective housing, and is fixed connection between transparent protective housing and the base, the top fixedly connected with loose axle of transparent protective housing, and the bottom of loose axle cup joints and is connected with the hydraulic stem, the bottom fixed connection A-frame of hydraulic stem, and A-frame's bottom fixedly connected with chamber door, be swing joint between A-frame and the protective housing, and the door frame has been seted up to one side of protective housing, the scattered sound hole has been seted up in the front of protective housing.

As a further description of the above technical solution:

the door frame is movably connected with the triangular support, and the triangular support forms an opening and closing structure with the protective box through the hydraulic rod.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, transmission through first gear and second gear can be fine realizes rotating at the same speed, ensure to draw the ascending decline in-process stationarity of clamp plate, the contact of accurate ball and workstation can be avoided to the second axis of rotation, it is more nimble to let ball rotate, it cup joints on the slide bar surface to draw the clamp plate, can ensure to draw the ascending in-process position of clamp plate not to take place the skew, guarantee to draw the ascending decline in-process stability of clamp plate, the tensile record appearance, the drag hook, first spring fixed block, it is corresponding to the end between resistance to compression record appearance and the second spring fixed block, it is even to detect the spring atress when guaranteeing to detect, guarantee to detect the precision.

2. The utility model discloses in, through the spirit level, can observe whether whole detection device is in the horizontality, if there is the slope, then can adjust through the hand bolt of twisting, also can observe whether detection device can take place slight slope in the testing process to make the adjustment.

3. The utility model discloses in, through the hydraulic stem, can realize automatic switching chamber door, the A-frame stability is effectual, guarantees the steadiness of chamber door switching in-process, and the sound hole that looses has been seted up in the front of protective housing, can hear unusual sound in the protective housing to adjusting device, the protection nature can protect monitoring personnel to detect the safety when being detected the unexpected accident of spring in the testing process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of a measuring mechanism in the present invention;

fig. 3 is a schematic structural view of the balancing mechanism of the present invention;

fig. 4 is a schematic structural diagram of the protection mechanism of the present invention.

Illustration of the drawings:

1. a base; 2. a measuring mechanism; 201. a servo motor; 202. a first gear; 203. a second gear; 204. a first rotating shaft; 205. a support plate; 206. a tensile recorder; 207. pulling a hook; 208. a precision ball screw; 209. pulling the pressing plate; 2010. a first spring fixing block; 2011. a compression resistance recorder; 2012. a slide bar; 2013. a work table; 2014. a second rotating shaft; 2015. a second spring fixing block; 3. a balancing mechanism; 301. a base plate; 302. a level gauge; 303. screwing the bolt by hand; 4. a protection mechanism; 401. a protective box; 402. a movable shaft; 403. a hydraulic lever; 404. a triangular bracket; 405. a box door; 406. a door frame; 407. a sound dispersion hole; 5. and a control box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a tension and compression spring stiffness measuring device comprises a base 1, a measuring mechanism 2 is installed at the top end of the base 1, a balancing mechanism 3 is installed at the bottom end of the base 1, a protection mechanism 4 is installed outside the measuring mechanism 2, a control box 5 is installed at one side of the protection mechanism 4, a servo motor 201 is included inside the measuring mechanism 2, a first gear 202 is fixedly connected to the bottom end of the servo motor 201, a second gear 203 is respectively engaged and connected to two sides of the first gear 202, a first rotating shaft 204 is fixedly connected to the bottom end of the second gear 203, the same-speed rotation can be well realized through the transmission of the first gear 202 and the second gear 203, the stability of a tension and compression plate 209 in the ascending and descending process is ensured, a support plate 205 is fixedly connected to the bottom end of the first rotating shaft 204, and a tensile recorder 206 is embedded and connected to the position, close to a central, the bottom end of the tensile recorder 206 is fixedly connected with a draw hook 207, the draw hook 207 is connected with a support plate 205 in a sleeved mode, the position, far away from the central line, inside the support plate 205 is connected with a precise ball screw 208 in a sleeved mode, the surface of the precise ball screw 208 is connected with a tension plate 209 in a sleeved mode, the top end of the tension plate 209, close to the central line, is fixedly connected with a first spring fixing block 2010, the bottom end of the tension plate 209, close to the central line, is fixedly connected with a compression recorder 2011, the position, close to the two sides, inside the tension plate 209 is fixedly connected with a slide bar 2012, the bottom end of the slide bar 2012 is fixedly connected with a workbench 2013, the top end of the workbench 2013 is fixedly connected with a second rotating shaft 2014, the second rotating shaft 2014 is fixedly connected with the precise ball screw 208, the second rotating shaft 2014 can avoid the contact between the, the top of workstation 2013 is close to central line position fixedly connected with second spring fixed block 2015.

Further, be fixed connection between slide bar 2012 and the backup pad 205, and slide bar 2012 constitutes sliding structure through drawing between clamp plate 209 and the accurate ball 208, the position is corresponding between drag hook 207 and the first spring fixed block 2010, and the position between first spring fixed block 2010 and the resistance to compression record appearance 2011 is corresponding, the position between resistance to compression record appearance 2011 and the second spring fixed block 2015 is corresponding, resistance to tension record appearance 206, drag hook 207, first spring fixed block 2010, resistance to compression record appearance 2011 and second spring fixed block 2015 are corresponding so far, detected spring atress is even when can ensureing to detect, guarantee to detect the precision.

Further, the inside of balance mechanism 3 is including bottom plate 301, and is fixed connection between bottom plate 301 and the base 1, and the front of bottom plate 301 is close to central point and puts the gomphosis and be connected with spirit level 302, can observe through spirit level 302 whether whole detection device is in the horizontality, and the bottom of bottom plate 301 is kept away from central line position and is cup jointed and be connected with hand bolt 303.

Further, the position between spirit level 302 and the second spring fixed block 2015 corresponds, and spirit level 302 passes through and constitutes elevation structure between bottom plate 301 and the hand bolt 303, can adjust through hand bolt 303, also can observe whether detection device can take place slight slope in the testing process to make the adjustment.

Further, protection mechanism 4's inside is including transparent protective housing 401, and be fixed connection between transparent protective housing 401 and the base 1, transparent protective housing 401's top fixedly connected with loose axle 402, and the bottom of loose axle 402 cup joints and is connected with hydraulic stem 403, the bottom fixed connection triangular support 404 of hydraulic stem 403, and the bottom fixedly connected with chamber door 405 of triangular support 404, be swing joint between triangular support 404 and protective housing 401, and door frame 406 has been seted up to one side of protective housing 401, sound hole 407 has been seted up in protective housing 401's front, can hear unusual sound in the protective housing 401, so that the adjusting device.

Furthermore, door frame 406 and A-frame 404 are movably connected, and A-frame 404 forms an opening and closing structure with protective box 401 through hydraulic rod 403, and through hydraulic rod 403, automatic opening and closing of box door 405 can be realized, stability of A-frame 404 is good, and stability of box door 405 in the opening and closing process is guaranteed.

The working principle is as follows: when the device is used, the hydraulic rod 403 is started, the triangular support 404 is pulled by the hydraulic rod 403, so that the box door 405 is opened, an external power supply of the servo motor 201 is switched on, the first gear 202 is driven to rotate, the second gear 203 is driven to rotate by the first gear 202, the first rotating shaft 204 and the precision ball screw 208 are driven to rotate, the precise ball screw 208 drives the pulling plate 209 to move downwards until the position is lowered to the bottom, the detected spring is put into the first spring fixing block 2010 to be fixed, the external power supply of the servo motor 201 is switched on, the steering of the servo motor 201 is controlled, the first rotating shaft 204 and the precise ball screw 208 are driven to rotate by the first gear 202 and the second gear 203, the pulling plate 209 and the detected spring are brought to the top by the rotation of the precision ball screw 208, the pulling hook 207 is bridged, the hydraulic rod 403 is started again, the triangular support 404 is pushed by the hydraulic rod 403 to close the box door 405, the servo, controlling the steering, slowly driving the first gear 202, the second gear 203 and the precision ball screw to rotate 208, slowly descending the tension and compression plate 209, thereby pulling the spring downwards until the spring is broken at a rigidity critical point, recording data by the tension recorder 206, completing the rigidity measurement of the tension of the spring, finally starting the hydraulic rod 403, controlling the door 405 to open by the hydraulic rod 403, taking out the measured spring, starting the servo motor 201 again, controlling the direction, driving the precision ball screw 208 to drive the tension and compression plate 209 to rise to the top by driving the first gear 202 and the second gear 203, putting the springs to be tested in the same batch on the second spring fixing block 2015, starting the hydraulic rod 403, pushing the triangular bracket 404 to close the door 405, starting the servo motor 201, controlling the direction, driving the precision ball screw 208 to drive the tension and compression plate 209 to slowly press the spring downwards by driving the first gear 202 and the second gear 203, until the spring deforms, the compression resistance recorder 2011 synchronously acquires data, and compression resistance rigidity detection is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The tension and compression spring stiffness measuring device comprises a base (1) and is characterized in that a measuring mechanism (2) is installed at the top end of the base (1), a balancing mechanism (3) is installed at the bottom end of the base (1), a protection mechanism (4) is installed outside the measuring mechanism (2), a control box (5) is installed on one side of the protection mechanism (4), a servo motor (201) is arranged inside the measuring mechanism (2), a first gear (202) is fixedly connected to the bottom end of the servo motor (201), second gears (203) are respectively meshed and connected to two sides of the first gear (202) in a meshing mode, a first rotating shaft (204) is fixedly connected to the bottom end of the second gear (203), a supporting plate (205) is fixedly connected to the bottom end of the first rotating shaft (204), and a tensile recorder (206) is connected to the position, close to a central line, of the inside of the supporting plate (205) in an embedding, the bottom end of the tensile recorder (206) is fixedly connected with a draw hook (207), the draw hook (207) is connected with a support plate (205) in a sleeved mode, the position of a center line is far away from the inside of the support plate (205), a precise ball screw (208) is connected in a sleeved mode, the surface of the precise ball screw (208) is connected with a tension plate (209) in a sleeved mode, the top end of the tension plate (209) is close to a first spring fixing block (2010) fixedly connected with the position of the center line, the bottom end of the tension plate (209) is close to a compression recorder (2011) fixedly connected with the position of the center line, the inside of the tension plate (209) is close to two side positions fixedly connected with a sliding rod (2012), the bottom end of the sliding rod (2012) is fixedly connected with a workbench (2013), the top end of the workbench (2013) is fixedly connected with a second rotating shaft (2014), and, the top of workstation (2013) is close to central line position fixedly connected with second spring fixed block (2015).

2. The tension and compression spring stiffness measuring device according to claim 1, wherein the sliding rod (2012) is fixedly connected with the supporting plate (205), the sliding rod (2012) forms a sliding structure with the precision ball screw (208) through the tension and compression plate (209), the drag hook (207) corresponds to the first spring fixing block (2010), the first spring fixing block (2010) corresponds to the compression recorder (2011), and the compression recorder (2011) corresponds to the second spring fixing block (2015).

3. The tension-compression spring stiffness measuring device according to claim 1, wherein the balance mechanism (3) comprises a bottom plate (301) inside, the bottom plate (301) is fixedly connected with the base (1), a level (302) is embedded and connected to the front surface of the bottom plate (301) close to the center, and a hand-screwed bolt (303) is sleeved and connected to the bottom end of the bottom plate (301) far from the center.

4. A tension and compression spring stiffness measuring device according to claim 3, characterized in that the position between the level gauge (302) and the second spring fixing block (2015) corresponds, and the level gauge (302) passes through the bottom plate (301) and the hand-screwed bolt (303) to form a lifting structure.

5. The device for measuring the stiffness of the tension and compression spring according to claim 1, wherein a transparent protection box (401) is included in the protection mechanism (4), the transparent protection box (401) is fixedly connected with the base (1), a movable shaft (402) is fixedly connected to the top of the transparent protection box (401), a hydraulic rod (403) is connected to the bottom end of the movable shaft (402) in a sleeved mode, a triangular support (404) is fixedly connected to the bottom end of the hydraulic rod (403), a box door (405) is fixedly connected to the bottom end of the triangular support (404), the triangular support (404) is movably connected with the protection box (401), a door frame (406) is arranged on one side of the protection box (401), and a sound scattering hole (407) is arranged on the front side of the protection box (401).

6. A tension and compression spring stiffness measuring device according to claim 5, characterized in that the door frame (406) and the triangular bracket (404) are movably connected, and the triangular bracket (404) forms an opening and closing structure with the protection box (401) through the hydraulic rod (403).