CN219798678U

CN219798678U - Spring tension and compression testing machine

Info

Publication number: CN219798678U
Application number: CN202320727167.2U
Authority: CN
Inventors: 陈清珍; 杜向平; 黄建进; 林森木
Original assignee: Xiamen Qiangxinda Precision Foundation Parts Co ltd
Current assignee: Xiamen Qiangxinda Precision Foundation Parts Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-10-03
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a spring tension-compression testing machine, which relates to the technical field of springs and comprises a machine base, wherein the top end of the machine base is fixedly connected with a lower pressing plate, the top end of the machine base is fixedly connected with a connecting frame, the inner side of the connecting frame is provided with a movable groove, the inside of the movable groove is movably connected with a fixing piece, the top end of the fixing piece is fixedly connected with a connecting ring, the connecting ring is symmetrically arranged, the opposite sides of the connecting ring are movably connected with clamping mechanisms, and the top end of the connecting frame is provided with a protection mechanism. According to the utility model, through the clamping mechanism, the screw is driven to rotate by rotating the swivel, so that the first hook and the second hook are close to each other, then, the two ends of the spring are respectively fixed at the upper hook and the lower hook, the spring is clamped and fixed, the spring acts on plumb lines of the upper connecting ring and the lower connecting ring, the spring tension-compression testing machine is prevented from rotating when the spring is applied with tension, and the testing accuracy is improved.

Description

Spring tension and compression testing machine

Technical Field

The utility model relates to the technical field of springs, in particular to a spring tension-compression testing machine.

Background

The spring is used as an important element in an industrial system, has a large usage amount and various types, and in the manufacturing process of the spring, performance test is needed to be carried out on the spring so as to check whether the performance of the spring meets the requirement, a spring tension-compression tester is a special instrument for testing the deformation and load relation characteristics of the tension and compression springs, a sensor inputs the tension or pressure value of the spring monitored when the tension or compression is carried out to the deformation into a computer, the elasticity coefficient of the spring is calculated by the computer, the tension compression clamp is used for applying pressure to the spring so as to enable the spring to deform to generate elasticity, and then the measuring mechanism is used for measuring the elasticity of the spring.

When testing, the spring needs to be hung between the hooks, and the spring is easy to rotate between the upper hook and the lower hook when being stretched, so that the measurement accuracy is reduced, the situation that part of the spring is broken can occur, and the broken spring can cause injury of workers.

Disclosure of Invention

Technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a spring tension-compression testing machine.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a spring draws pressure testing machine, includes the frame, the top fixedly connected with of frame presses the dish down, the top fixedly connected with link of frame, the removal groove has been seted up to the inboard of link, the inside swing joint in removal groove has the mounting, the top fixedly connected with go-between of mounting, and the go-between is the symmetry setting, the opposite side swing joint of go-between has fixture, the top of link is provided with protection machanism.

Above-mentioned, fixture includes couple one, couple two, lantern ring, extension spring and screw rod, couple one and couple two swing joint in the both ends of screw rod, and couple one is the symmetry setting with couple two, lantern ring fixed connection is in extension spring's both ends, and lantern ring fixed connection is in couple one and couple two's downside.

Above-mentioned, a set of symmetrical screw thread has been seted up in the outside of screw rod, the outside fixedly connected with fixed block of go-between, the both ends swing joint of screw rod is in the inboard of fixed block, and the front end fixedly connected with swivel of screw rod.

The upper side of the connecting ring is fixedly connected to the inner side of the connecting frame, the bottom end of the fixing piece is fixedly connected with the upper pressing disc, and the upper pressing disc is located right above the lower pressing disc.

Above-mentioned, protection machanism includes carousel, bracing piece, regulating wheel, connecting rod and protection casing, the carousel is the symmetry setting, bracing piece fixed connection is in the opposite side of carousel, the regulating wheel is located the inboard of carousel, and regulating wheel and carousel mesh mutually, the top fixed connection of connecting rod is in the outside of regulating wheel, the bottom fixed connection of connecting rod is in the outside of protection casing.

Above-mentioned, the rear end fixedly connected with connecting block of carousel, the bottom fixed connection of connecting block is in the top of link.

The bottom of the turntable is fixedly connected with the connecting plate, the bottom of the connecting plate is provided with the sliding groove, and the top of the protective cover is movably connected with the inside of the sliding groove.

The beneficial effects are that:

compared with the prior art, the spring tension and compression tester has the following beneficial effects:

1. according to the utility model, through the clamping mechanism, the screw is driven to rotate by rotating the swivel, so that the first hook and the second hook are close to each other, then, the two ends of the spring are respectively fixed at the upper hook and the lower hook, the spring is clamped and fixed, the spring acts on plumb lines of the upper connecting ring and the lower connecting ring, the spring tension-compression testing machine is prevented from rotating when the spring is applied with tension, and the testing accuracy is improved.

2. According to the utility model, through the arranged protection mechanism, the connecting rod is pulled to drive the adjusting wheel to rotate in the turntable, and meanwhile, the protection cover is driven to move in the connecting plate, so that the protection cover moves, when a worker observes, the connecting rod can be pulled to move the protection cover to a proper position, and the worker is observed through the protection cover, so that the worker is prevented from being injured due to broken springs.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of a protection mechanism according to the present utility model;

FIG. 4 is a schematic view of a clamping mechanism according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure, 1, a stand; 2. a lower platen; 3. a connecting frame; 4. a moving groove; 5. a fixing member; 6. a connecting ring; 7. a clamping mechanism; 701. a first hook; 702. a second hook; 703. a collar; 704. a tension spring; 705. a screw; 8. a protective mechanism; 801. a turntable; 802. a support rod; 803. an adjusting wheel; 804. a connecting rod; 805. a protective cover; 9. a fixed block; 10. a swivel; 11. an upper platen; 12. a connecting block; 13. a splice plate; 14. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a spring draws pressure testing machine, includes frame 1, the top fixedly connected with of frame 1 pushes down platen 2, the top fixedly connected with link 3 of frame 1, the inboard of link 3 has been seted up and has been moved groove 4, the inside swing joint of moving groove 4 has mounting 5, the top fixedly connected with go-between 6 of mounting 5, and go-between 6 is the symmetry setting, the opposite side swing joint of go-between 6 has fixture 7, the top of link 3 is provided with protection machanism 8.

When the testing machine is used, the screw 705 is driven to rotate by rotating the swivel 10, the first hook 701 and the second hook 702 are close to each other, then two ends of the spring are respectively fixed to the upper hook and the lower hook, the spring is clamped and fixed, the spring acts on plumb lines of the upper connecting ring 6 and the lower connecting ring 6, the spring tension-compression testing machine is prevented from rotating when tension is applied to the spring, testing accuracy is improved, the adjusting wheel 803 is driven to rotate in the turntable 801 by pulling the connecting rod 804, meanwhile, the protective cover 805 is driven to move in the connecting plate 13, the protective cover 805 is enabled to move, when a worker observes, the connecting rod 804 can be pulled to move the protective cover 805 to a proper position, and the worker is observed through the protective cover 805, so that the broken spring is prevented from being injured by the worker.

As shown in fig. 1 and 4, the clamping mechanism 7 includes a first hook 701, a second hook 702, a collar 703, an extension spring 704 and a screw 705, where the first hook 701 and the second hook 702 are respectively movably connected to two ends of the screw 705, the first hook 701 and the second hook 702 are symmetrically arranged, the collar 703 is fixedly connected to two ends of the extension spring 704, the collar 703 is fixedly connected to the lower sides of the first hook 701 and the second hook 702, a set of symmetrical threads is provided on the outer side of the screw 705, a fixing block 9 is fixedly connected to the outer side of the connecting ring 6, two ends of the screw 705 are movably connected to the inner side of the fixing block 9, the front end of the screw 705 is fixedly connected with a rotating ring 10, the upper connecting ring 6 is fixedly connected to the inner side of the connecting frame 3, the bottom end of the fixing member 5 is fixedly connected with an upper pressure plate 11, and the upper pressure plate 11 is located right above the lower pressure plate 2.

The screw 705 is driven to rotate by rotating the swivel 10, so that the first hook 701 and the second hook 702 are close to each other, then two ends of the spring are respectively fixed to the upper hook and the lower hook, the spring is clamped and fixed, the spring acts on plumb lines of the upper connecting ring 6 and the lower connecting ring 6, and the spring tension-compression testing machine avoids rotating when applying tension to the spring, so that the testing accuracy is improved.

As shown in fig. 1-3, the protection mechanism 8 includes a turntable 801, a supporting rod 802, an adjusting wheel 803, a connecting rod 804 and a protection cover 805, the turntable 801 is symmetrically arranged, the supporting rod 802 is fixedly connected to opposite sides of the turntable 801, the adjusting wheel 803 is located on the inner side of the turntable 801, the adjusting wheel 803 is meshed with the turntable 801, the top end of the connecting rod 804 is fixedly connected to the outer side of the adjusting wheel 803, the bottom end of the connecting rod 804 is fixedly connected to the outer side of the protection cover 805, the rear end of the turntable 801 is fixedly connected with a connecting block 12, the bottom end of the connecting block 12 is fixedly connected to the top end of the connecting frame 3, the bottom end of the lower turntable 801 is fixedly connected with a connecting plate 13, a sliding groove 14 is formed in the bottom end of the connecting plate 13, and the top end of the protection cover 805 is movably connected to the inner part of the sliding groove 14.

The adjusting wheel 803 is driven to rotate in the rotary table 801 by pulling the connecting rod 804, and meanwhile, the protecting cover 805 is driven to move in the connecting plate 13, so that the protecting cover 805 moves, when a worker observes, the connecting rod 804 can be pulled to move the protecting cover 805 to a proper position, and the worker is observed through the protecting cover 805, so that the worker is prevented from being injured by the broken spring.

Working principle: when the testing machine is used, the screw 705 is driven to rotate by rotating the swivel 10, the first hook 701 and the second hook 702 are close to each other, then two ends of the spring are respectively fixed to the upper hook and the lower hook, the spring is clamped and fixed, the spring acts on plumb lines of the upper connecting ring 6 and the lower connecting ring 6, the spring tension-compression testing machine is prevented from rotating when tension is applied to the spring, testing accuracy is improved, the adjusting wheel 803 is driven to rotate in the turntable 801 by pulling the connecting rod 804, meanwhile, the protective cover 805 is driven to move in the connecting plate 13, the protective cover 805 is enabled to move, when a worker observes, the connecting rod 804 can be pulled to move the protective cover 805 to a proper position, and the worker is observed through the protective cover 805, so that the broken spring is prevented from being injured by the worker.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "fixedly attached," "mounted," "connected," and "coupled" are to be construed broadly, e.g., as a fixed connection, as a removable connection, or as an integral connection; "coupled" may be either mechanical or electrical; the "connection" may be direct, indirect via an intermediary, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spring draws pressure testing machine, includes frame (1), its characterized in that: the automatic feeding device is characterized in that the top end of the machine base (1) is fixedly connected with the lower pressing disc (2), the top end of the machine base (1) is fixedly connected with the connecting frame (3), the inner side of the connecting frame (3) is provided with the moving groove (4), the inner side of the moving groove (4) is movably connected with the fixing piece (5), the top end of the fixing piece (5) is fixedly connected with the connecting ring (6), the connecting ring (6) is symmetrically arranged, the opposite side of the connecting ring (6) is movably connected with the clamping mechanism (7), and the top end of the connecting frame (3) is provided with the protection mechanism (8).

2. The spring tension and compression testing machine according to claim 1, wherein: the clamping mechanism (7) comprises a first hook (701), a second hook (702), a lantern ring (703), a tension spring (704) and a screw rod (705), wherein the first hook (701) and the second hook (702) are respectively and movably connected to the two ends of the screw rod (705), the first hook (701) and the second hook (702) are symmetrically arranged, the lantern ring (703) is fixedly connected to the two ends of the tension spring (704), and the lantern ring (703) is fixedly connected to the lower sides of the first hook (701) and the second hook (702).

3. A spring tension and compression testing machine as defined in claim 2, wherein: a group of symmetrical threads are formed in the outer side of the screw rod (705), a fixed block (9) is fixedly connected to the outer side of the connecting ring (6), two ends of the screw rod (705) are movably connected to the inner side of the fixed block (9), and a swivel (10) is fixedly connected to the front end of the screw rod (705).

4. The spring tension and compression testing machine according to claim 1, wherein: the upper side the inboard of go-between (6) fixed connection in link (3), the bottom fixedly connected with of mounting (5) goes up pressure disk (11), and goes up pressure disk (11) and be located directly over lower pressure disk (2).

5. The spring tension and compression testing machine according to claim 1, wherein: protection machanism (8) are including carousel (801), bracing piece (802), regulating wheel (803), connecting rod (804) and protection casing (805), carousel (801) are the symmetry setting, bracing piece (802) fixed connection is in the opposite side of carousel (801), regulating wheel (803) are located the inboard of carousel (801), and regulating wheel (803) meshes with carousel (801), the top fixed connection of connecting rod (804) is in the outside of regulating wheel (803), the bottom fixed connection of connecting rod (804) is in the outside of protection casing (805).

6. The spring tension and compression testing machine according to claim 5, wherein: the rear end fixedly connected with connecting block (12) of carousel (801), the bottom fixed connection of connecting block (12) is in the top of link (3).

7. The spring tension and compression testing machine according to claim 5, wherein: the lower side the bottom fixedly connected with linking board (13) of carousel (801), spout (14) have been seted up to the bottom of linking board (13), and the top swing joint of protection casing (805) is in the inside of spout (14).