CN209910928U

CN209910928U - Spring leaf clamp force testing device

Info

Publication number: CN209910928U
Application number: CN201920769358.9U
Authority: CN
Inventors: 李贵君
Original assignee: NANJING NENGXIN ELECTRIC POWER HIGH-TECH INDUSTRIAL Co Ltd
Current assignee: NANJING NENGXIN ELECTRIC POWER HIGH-TECH INDUSTRIAL Co Ltd
Priority date: 2019-05-25
Filing date: 2019-05-25
Publication date: 2020-01-07
Anticipated expiration: 2029-05-25

Abstract

The utility model discloses a spring leaf clamp force testing device, which is applied in the field of spring leaf clamp force testing devices and solves the technical problem that the elastic capacity of the spring leaf is not easy to detect, the key point of the technical proposal is that the spring leaf clamp force testing device comprises a bracket and a spring tension meter fixed in the bracket, the side wall of the bracket is in threaded connection with an adjusting screw rod, the vertical direction of the top plate of the bracket is downwards provided with a hook for hanging the spring leaf, the vertical end of the spring leaf is respectively connected with the adjusting screw rod and a spring dynamometer, and the middle section of the spring leaf is provided with a balancing weight clamped by the; the spring piece has the technical effect of facilitating accurate measurement of the elasticity of the spring piece.

Description

Spring leaf clamp force testing device

Technical Field

The utility model relates to a spring leaf detection device field, more specifically says that it relates to a spring leaf presss from both sides power testing arrangement.

Background

As shown in fig. 5, a '21274', shaped spring plate comprises an intermediate section 61 and vertical sections 62 connected to two sides of the intermediate section 61, wherein the vertical sections 62 can be elastically deformed, so that the spring plate has elastic force, the elastic force performance of the spring plates made of different materials is different, in the actual use process, whether the elastic force of the spring plate meets the requirement needs to be considered, when the elastic capacity of the spring plate is measured, the force required by the same elastic deformation of different spring plates is usually measured, and when the required force is larger, the elastic deformation capacity of the spring plate is strong.

The existing measuring method is that a spring tensiometer is directly pulled by hands, and the spring tensiometer pulls a spring, but the range of elastic deformation of a spring piece is relatively small, so that the same elastic deformation amount of different spring pieces is difficult to control, and further measurement is inaccurate, and therefore a measuring device capable of accurately measuring the elastic force of the spring piece needs to be designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a spring leaf presss from both sides power testing arrangement, its advantage, the elastic capacity of the accurate measurement's of being convenient for spring leaf.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a spring leaf presss from both sides power testing arrangement, includes the support, fixes the spring tensiometer in the support, threaded connection adjusting screw on the lateral wall of support, the vertical couple that is used for articulating the spring leaf that is equipped with downwards of the roof of support, the vertical end of spring leaf links to each other with adjusting screw and spring dynamometer respectively, is equipped with the balancing weight by the spring leaf centre gripping in the interlude of spring leaf.

Through above-mentioned technical scheme, the one end and the spring tensiometer of spring leaf are connected, and the other end is connected with adjusting screw. When the adjusting screw rod is rotated, the adjusting screw rod moves on the bracket in the direction away from the spring piece; the balancing weight is by the centre gripping in the middle of the spring leaf, therefore spring leaf and balancing weight interference contact, along with the vertical end of spring leaf is pulled, clearance fit to by interference fit between spring leaf and the balancing weight, break away from until balancing weight and spring leaf, stop rotating adjusting screw this moment, look over the registration of spring tensiometer, this registration is as the elastic force ability parameter of spring leaf, and the registration of spring tensiometer is big more, explains that the elastic force ability of spring leaf is stronger more. The spring tension meter is provided with a reading, so that the elastic capacity of the spring piece can be accurately measured.

The utility model discloses further set up to: be equipped with between adjusting screw and the spring leaf and connect the rope, the both ends of connecting the rope are equipped with the adapter sleeve of cover on the spring leaf respectively and establish the commentaries on classics cover on adjusting screw with the cover, adjusting screw is last to be close to the one end of changeing the cover be equipped with commentaries on classics cover complex annular.

Through above-mentioned technical scheme, connect the rope and be used for connecting at spring leaf and adjusting screw, the convenient direct cover of adapter sleeve is on the spring leaf, and the adapter sleeve is on adjusting screw to make adjusting screw rotate and connect the rope and can not rotate, thereby prevent to connect the rope and receive the distortion power.

The utility model discloses further set up to: one end of the connecting rope, which is close to the rotating sleeve, is provided with a conical block, and the conical block is inserted on the rotating sleeve.

Through above-mentioned technical scheme, the toper is pegged graft soon and is sheathe in changeing, connects the rope and fixes on the toper piece, is convenient for like this connect the rope and the coaxial setting of adjusting screw. Simultaneously, the conical block is arranged to effectively prevent the connecting rope from being separated from the adjusting screw rod.

The utility model discloses further set up to: and a magnet is embedded on the contact surface of the connecting sleeve and the spring piece.

Through above-mentioned technical scheme, because adapter sleeve clearance fit is on the spring plate, magnet is with adsorbing the adapter sleeve on the spring plate, prevents that adjusting screw from dropping from the spring plate before rotating.

The utility model discloses further set up to: and a rotating rod is arranged at one end of the adjusting screw rod, which is far away from the rotating sleeve, along the radial direction of the screw rod.

Through the technical scheme, the rotating rod is convenient for the hand to claw and connect, so that the hand can apply force to the rotating rod, and the adjusting screw rod can be rotated conveniently.

The utility model discloses further set up to: the hook comprises a Z-shaped hanging rod fixed on the top plate of the support and a vertically arranged baffle plate positioned at the lower end of the hanging rod.

Through above-mentioned technical scheme, the jib is fixed on support roof for articulate the spring leaf, the baffle prevents that the spring leaf from breaking away from with the jib by the test in-process.

The utility model discloses further set up to: the lower extreme of spring tensiometer is equipped with the expansion bracket, the upper end level of expansion bracket is equipped with the flat board, be equipped with the vertical limiting plate that is equipped with on the flat board, the draw-in groove has been seted up to the limiting plate, the both ends joint of spring tensiometer is in the draw-in groove.

Through above-mentioned technical scheme, the expansion bracket is used for adjusting the height of spring tensiometer for the axis of spring tensiometer and adjusting screw axis coincidence make the measurement more accurate like this. The side surfaces of the two ends of the spring tension meter are abutted against the limiting plates, and the force measuring rod of the spring tension meter penetrates out of the clamping groove.

The utility model discloses further set up to: the telescopic frame comprises a fixed rod, a square rod and a sliding sleeve, wherein the fixed rod is vertically fixed on the support base plate, the horizontal section of the fixed rod is circular, the square rod is arranged on the fixed rod, the sliding sleeve is connected onto the square rod in a sliding mode, the flat plate is fixed at the upper end of the sliding sleeve, the fixed rod is in threaded connection with an adjusting sleeve, and the adjusting sleeve abuts against the lower end of the sliding sleeve.

Through above-mentioned technical scheme, rotate the adjusting collar, the adjusting collar reciprocates on the dead lever, when the adjusting collar rebound, contradicts the sliding sleeve for the sliding sleeve rebound, and then plays the effect of connecting spring tensiometer. Because the cross-section of the square rod is polygonal, the sliding sleeve can only slide up and down on the square rod and cannot rotate, and the spring tension meter is ensured to face the spring piece all the time.

To sum up, the utility model discloses following beneficial effect has:

1. the elasticity of the top spring piece can be accurately measured;

2. the height of the spring dynamometer can be adjusted, and then the spring dynamometer is ensured to be coaxial with the adjusting screw rod all the time.

Drawings

Fig. 1 is an overall configuration diagram of the present embodiment.

Fig. 2 is a schematic structural view of the hook and the spring plate of the present embodiment.

Fig. 3 is a schematic structural view of the adjusting screw and the rotating sleeve of the present embodiment.

Fig. 4 is a schematic structural view of the spring tension meter and the telescopic frame of the present embodiment.

Fig. 5 is a schematic structural view of the spring plate of the present embodiment.

Reference numerals: 1. a support; 11. hooking; 12. a boom; 13. a baffle plate; 14. a balancing weight; 2. a spring tension meter; 3. adjusting the screw rod; 31. a ring groove; 32. a rotating rod; 4. a telescopic frame; 41. a flat plate; 42. fixing the rod; 43. a square rod; 44. a sliding sleeve; 45. an adjusting sleeve; 5. connecting ropes; 51. connecting sleeves; 52. rotating the sleeve; 53. a magnet; 54. a conical block; 55. a limiting plate; 56. a card slot; 6. a spring plate; 61. a middle section; 62. a vertical section.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): referring to fig. 1 and 2, a spring clamp force testing device comprises a support 1, a spring tension meter 2 fixed in the support 1, an adjusting screw 3 coaxially arranged with the spring tension meter 2, the adjusting screw 3 is in threaded connection with the support 1, a hook 11 is vertically and downwardly arranged on a top plate of the support 1, the middle section of the spring piece 6 is hung on the hook 11, the vertical end of the spring piece 6 is connected with a connecting rope 5, and the connecting rope 5 is respectively connected with the spring tension meter 2 and the adjusting screw 3.

Referring to fig. 1 and 2, a weight 14 is held in the middle section of the spring plate 6. Rotating adjusting screw 3 makes adjusting screw 3 and drive the one end that connects rope 5 and want to keep away from spring leaf 6 remove, and the position of spring tensiometer 2 can not change for the spring leaf 6 to the clamping-force conversion of balancing weight 14 spring force that exerts to spring tensiometer 2, adjusting screw 3's rotation thereupon, the registration of spring tensiometer 2 is bigger and bigger, and is littleer and smaller to the clamping-force of balancing weight 14, until balancing weight 14 breaks away from with spring leaf 6, stop rotating adjusting screw 3 this moment. The indication number of the spring tension meter 2 is the elastic capacity parameter of the cover spring piece 6. The spring leaf 6 of different materials also can not have the same elastic capacity to the clamping force to balancing weight 14 also differs, therefore the registration on spring tensiometer 2 also can be different, and the larger the registration on spring tensiometer 2, the stronger the elastic capacity of this spring leaf 6 is described.

Referring to fig. 2 and 3, the two ends of the connecting rope 5 close to the adjusting screw 3 are respectively provided with a connecting sleeve 51 and a rotating sleeve 52, the connecting sleeve 51 is sleeved at the vertical end of the spring piece 6, the rotating sleeve 52 is rotatably connected to the adjusting screw 3, the adjusting screw 3 is provided with an annular groove 31, and the rotating sleeve 52 is rotatably connected to the annular groove 31, so that the adjusting screw 3 and the connecting rope 5 can rotate relatively, and the connecting rope 5 can not be twisted. A conical block 54 is fixed at one end of the connecting rope 5 close to the rotary sleeve 52, the conical block 54 is inserted on the rotary sleeve 52 and is coaxially arranged with the rotary sleeve 52, and the conical block 54 prevents the connecting rope 5 from being separated from the rotary sleeve 52. The magnet 53 is embedded in the connecting sleeve 51, and since the connecting sleeve 51 is relatively large and the connecting sleeve 51 is arranged in the vertical direction, the connecting sleeve 51 must be held by hand. The magnet 53 is arranged, so that the connecting sleeve 51 is adsorbed on the spring piece 6, and the counterweight block 14 is convenient to mount.

Referring to fig. 3, a rotating rod 32 is arranged at one end of the adjusting screw rod 3 far away from the connecting rope 5 along the radial direction of the adjusting screw rod 3, and the rotating rod 32 is convenient for a human hand to claw and connect, so that the human hand can apply force to the rotating rod 32, and further the adjusting screw rod 3 can be rotated conveniently.

Referring to fig. 2, the hook 11 includes a zigzag-shaped hanger 12, and a vertically disposed baffle 13 at a lower end of the hanger 12, an upper end of the hanger 12 is screwed to a top plate of the bracket 1, the spring piece 6 is hung at a lower end of the hanger 12, and the baffle 13 is used for preventing the spring piece 6 from being separated from the hanger 12.

Referring to fig. 1 and 4, a flat plate 41 is horizontally arranged at the lower end of the spring tension meter 2, and an expansion bracket 4 is arranged at the lower end of the flat plate 41, wherein the expansion bracket 4 is used for adjusting the height of the spring tension meter 2, thereby ensuring that the spring tension meter 2 and the adjusting rod are at the same height. The telescopic frame 4 comprises a fixed rod 42 vertically fixed on the bottom plate of the bracket 1 and with a round horizontal section, a square rod 43 arranged on the fixed rod 42, and a sliding sleeve 44 connected on the square rod 43 in a sliding manner, wherein the flat plate 41 is fixed on the sliding sleeve 44, an adjusting sleeve 45 is connected on the fixed rod 42 in a threaded manner, and the upper surface of the adjusting sleeve 45 is in contact with the lower surface of the sliding sleeve 44. The adjusting sleeve 45 is rotated, the adjusting sleeve 45 moves up and down on the fixing rod 42, and when the adjusting sleeve 45 moves upwards, the adjusting sleeve 45 pushes against the connecting sleeve 51, so that the connecting sleeve 51 moves upwards, and the function of connecting the spring tension meter 2 is achieved. The cross section of the square rod 43 is polygonal, so that the connecting sleeve 51 can only slide up and down on the square rod 43 and can not rotate, and the spring tension meter 2 is ensured to face the spring piece 6 all the time.

Referring to fig. 4, two limit plates 55 are vertically and fixedly connected to the flat plate 41, a slot 56 is formed in each limit plate 55, and two ends of the spring tension meter 2 are clamped in the slots 56. The force measuring rod of the spring tension meter 2 penetrates out of the clamping groove 56 and is connected with the connecting rope 5.

The action process is as follows: firstly, a spring leaf 6 is placed on a hook 11, a connecting rope 5 and an adjusting screw 3 are connected with a spring tension meter 2, then a connecting sleeve 51 is sleeved on the spring leaf 6, and then a balancing weight 14 is installed on the spring leaf 6; finally, the adjusting screw 3 starts to rotate until the weight 14 is disengaged from the spring plate 6, and the display of the spring tension meter 2 is recorded.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a spring leaf presss from both sides power testing arrangement, its characterized in that includes support (1), fixes spring tensiometer (2) in support (1), threaded connection adjusting screw (3) on the lateral wall of support (1), the vertical couple (11) that are used for articulating spring leaf (6) that are equipped with downwards of the roof of support (1), the vertical end of spring leaf (6) links to each other with adjusting screw (3) and spring dynamometer respectively, is equipped with balancing weight (14) by spring leaf (6) centre gripping in the interlude of spring leaf (6).

2. The spring clamp force testing device according to claim 1, wherein a connecting rope (5) is arranged between the adjusting screw (3) and the spring plate (6), two ends of the connecting rope (5) are respectively provided with a connecting sleeve (51) sleeved on the spring plate (6) and a rotating sleeve (52) sleeved on the adjusting screw (3), and one end of the adjusting screw (3) close to the rotating sleeve (52) is provided with a ring groove (31) matched with the rotating sleeve (52).

3. The spring clamp force testing device according to claim 2, wherein a conical block (54) is arranged at one end of the connecting rope (5) close to the rotary sleeve (52), and the conical block (54) is inserted on the rotary sleeve (52).

4. The spring clamp force testing device according to claim 3, wherein a magnet (53) is embedded on the surface of the connecting sleeve (51) contacting with the spring plate (6).

5. The spring clamp force testing device according to claim 4, characterized in that the end of the adjusting screw (3) remote from the rotary sleeve (52) is provided with a rotary rod (32) in the radial direction of the screw.

6. The spring clamp force testing device according to claim 1, wherein the hook (11) comprises a Z-shaped suspension rod (12) fixed on the top plate of the support (1), and a vertically arranged baffle (13) positioned at the lower end of the suspension rod (12).

7. The spring piece clamp force testing device according to claim 1, wherein an expansion bracket (4) is arranged at the lower end of the spring tension meter (2), a flat plate (41) is horizontally arranged at the upper end of the expansion bracket (4), a limiting plate (55) is vertically arranged on the flat plate (41), a clamping groove (56) is formed in the limiting plate (55), and two ends of the spring tension meter (2) are clamped in the clamping groove (56).

8. The spring clamp force testing device according to claim 7, wherein the telescopic frame (4) comprises a fixed rod (42) vertically fixed on the bottom plate of the bracket (1) and having a circular horizontal section, a square rod (43) arranged on the fixed rod (42), and a sliding sleeve (44) connected to the square rod (43) in a sliding manner, the flat plate (41) is fixed at the upper end of the sliding sleeve (44), the fixed rod (42) is connected with an adjusting sleeve (45) in a threaded manner, and the adjusting sleeve (45) abuts against the lower end of the sliding sleeve (44).