CN219890909U - A easy regulation test fixture for mechanical structure - Google Patents

Abstract

The utility model discloses an easy-to-adjust test fixture for a mechanical structure, which comprises a supporting frame, a guide sliding rod and a push plate, wherein the guide sliding rod is arranged below the inner side of the supporting frame, one side of the supporting frame is fixedly connected with a locking structure, a bidirectional screw rod is rotatably connected above the inner side of the guide sliding rod, the push plate penetrates through the outer side of the guide sliding rod, an embedding groove is formed in the upper part of the inner side of the push plate, and one side of a thread sleeve is provided with an auxiliary lubricating structure. The auxiliary clamping structure is arranged, the top end of the other side of the push plate penetrates through the embedded groove through the fastening screw rod and is in threaded connection through the fastening screw cap, so that corresponding clamping blocks are installed, clamping blocks with different specifications can be replaced according to the shape of a mechanical structure, the test clamp can be matched with the mechanical structure, the clamping blocks and the push plate can be stably connected under the embedded structure of the embedded groove and the embedded insert block to avoid movement, and the application range of the clamp is improved.

Description

A easy regulation test fixture for mechanical structure

Technical Field

The utility model relates to the technical field of test fixtures, in particular to an easy-to-adjust test fixture for a mechanical structure.

Background

In the industrial production process, in order to improve the operation efficiency of the mechanical equipment, a corresponding mechanical structure is often used, the equipment is operated more efficiently in a mechanical linkage mode, and before the equipment with the mechanical structure is used, a corresponding test fixture is required to test the mechanical structure before the equipment with the mechanical structure is used for ensuring the stability of the equipment with the mechanical structure.

When the common test fixture is used, the mechanical structure is pressed in a clamping manner by extrusion, so that the mechanical structure can test the tensile force and the excessive compressive resistance in the extrusion and clamping processes, and the common test fixture has a good clamping effect when being used, but has some problems:

1. when the common test clamp is used, because the appearance of the common test clamp is different due to different mechanical structures, the common test clamp is easy to move when being clamped by the clamp.

2. When the common test clamp is used, the common test clamp is usually clamped through screw driving, and after long-time use, screw reverse is easy to occur, so that clamping loosening occurs.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide an easily-adjustable test fixture for a mechanical structure, which is used for solving the defect of low applicability of the existing test fixture.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: a easily adjust test fixture for mechanical structure, including braced frame, direction slide bar and push pedal, the inboard below of braced frame is provided with the direction slide bar, one side fixedly connected with lock dead structure of braced frame, the inboard top rotation of direction slide bar is connected with bi-directional screw rod, the outside of direction slide bar is run through there is the push pedal, the below fixedly connected with sliding sleeve of push pedal one side, the top fixedly connected with thread bush of sliding sleeve, the top of push pedal opposite side is provided with supplementary clamping structure, supplementary clamping structure includes and inlays groove, clamp splice, inlays inserted block, fastening screw and fastening nut, inlay the groove and set up in the inside top of push pedal, one side of thread bush is provided with auxiliary lubrication structure.

When the test fixture is used, the mechanical structure is placed on the inner sides of the two groups of pushing plates, and as the two groups of pushing plates are respectively positioned at the screw thread parts on the two sides of the bidirectional screw, the pushing plates on the two sides are reversely moved after the bidirectional screw rotates, and the auxiliary clamping structure clamps the mechanical structure, so that the test fixture can fasten the mechanical structure, and the spacing between the pushing plates can be adjusted according to the requirements by adjusting the forward and reverse rotation of the bidirectional screw, so that the clamping force of the mechanical structure is adjusted.

Preferably, the top of push pedal opposite side is provided with the clamp splice, one side fixedly connected with of clamp splice is inlayed the inserted block, one side fixedly connected with fastening screw of inlaying the inserted block, one side in the fastening screw outside runs through to the one side of inlaying the groove and with fastening nut's internal thread connection, runs through the inlaying groove and uses fastening nut to carry out threaded connection through fastening screw to this installs corresponding clamp splice, makes the clamp splice of different specifications change according to mechanical structure's shape.

Preferably, the embedded groove and the embedded insert block are in an embedded structure, and the fastening screw rod and the fastening screw cap are in a threaded connection structure, so that the clamp splice is more stable to install.

Preferably, the auxiliary lubrication structure comprises a clamping groove, a pipe sleeve, a clamping block and a foam-rubber cushion, wherein the clamping groove is formed in one side of the threaded sleeve, the pipe sleeve is arranged below the other side of the push plate, one side of the pipe sleeve is fixedly connected with the clamping block, the inner side of the pipe sleeve is fixedly connected with the foam-rubber cushion, the foam-rubber cushion adsorbs a large amount of lubricating oil in advance, and at the moment, the push plate drives the pipe sleeve to move along the outer side wall of the bidirectional screw after the bidirectional screw rotates, so that the foam-rubber cushion adsorbing the lubricating oil smears the outer side wall of the bidirectional screw.

Preferably, the clamping groove and the inside of the clamping block are in a clamping structure, and the cross section area of the inner diameter of the foam-rubber cushion is larger than the cross section area of the outer diameter of the bidirectional screw, so that the pipe sleeve can be conveniently disassembled and assembled.

Preferably, the locking structure comprises an external thread pipe, a dividing groove and a fastening nut, wherein the external thread pipe is fixedly connected to one side of the supporting frame, the dividing groove is formed in the outer side wall of the external thread pipe, the fastening nut is connected to the outer side of the external thread pipe in a threaded manner, one side of the guide sliding rod penetrates through the outer thread pipe, the fastening nut is screwed in the direction of the dividing groove after the two-way screw rod rotates and the push plate is clamped and moved, and at the moment, the external thread pipe divided by the dividing groove gradually contracts inwards under the threaded connection of the fastening nut.

Preferably, the dividing grooves are distributed in a ring shape in one side of the outer side wall of the external threaded pipe, and the external threaded pipe and the inside of the fastening nut are in a threaded connection structure, so that the bidirectional screw rod can be clamped and locked.

(III) beneficial effects

The utility model provides an easy-to-adjust test fixture for a mechanical structure, which has the advantages that: through the auxiliary clamping structure, the top end of the other side of the push plate penetrates through the embedded groove through the fastening screw rod and is in threaded connection through the fastening screw cap, so that corresponding clamping blocks are installed, clamping blocks with different specifications can be replaced according to the shape of a mechanical structure, the test clamp can be matched with the mechanical structure, the clamping blocks and the push plate can be stably connected under the embedded structure of the embedded groove and the embedded insertion block to avoid movement, and the application range of the clamp is improved;

through being provided with auxiliary lubrication structure, install the pipe box through the block structure of draw-in groove and fixture block in one side of thread bush to make two sets of pipe boxes can wrap up partial two-way screw rod, make the foam-rubber cushion adsorb a large amount of lubricating oil in advance, the push pedal will drive the pipe box and remove along the lateral wall of two-way screw rod after two-way screw rod rotates this moment, make the foam-rubber cushion that adsorbs lubricating oil smear the lateral wall of two-way screw rod, so that the threaded connection of two-way screw rod and thread bush is more smooth and easy, avoid appearing the phenomenon of blocking, realized the lubrication protection to two-way screw rod;

through being provided with the locking structure, accomplish the centre gripping at the bi-directional screw rod and remove the back looks segmentation groove direction tightening fastening nut of back at the push pedal that finishes, the external screw thread pipe that is cut apart by the segmentation groove will be under fastening nut's threaded connection and inwards shrink gradually this to make the external screw thread pipe that is cut apart by the segmentation groove will gradually to run through its inside bi-directional screw rod centre gripping, with this messenger's bi-directional screw rod is locked after finishing rotating, and then avoid the bi-directional screw rod to appear reversing the phenomenon, realized the locking to bi-directional screw rod.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

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

FIG. 3 is a schematic view of a three-dimensional disassembled auxiliary clamping structure according to the present utility model;

FIG. 4 is a schematic view of a three-dimensional partially disassembled structure of the auxiliary lubrication structure of the present utility model;

fig. 5 is an enlarged partial sectional view of fig. 1 according to the present utility model.

In the figure: 1. a support frame; 2. a guide slide bar; 3. a bidirectional screw; 4. a push plate; 5. a sliding sleeve; 6. a thread sleeve; 7. an auxiliary clamping structure; 701. embedding grooves; 702. clamping blocks; 703. embedding an inserting block; 704. fastening a screw; 705. fastening a screw cap; 8. an auxiliary lubrication structure; 801. a clamping groove; 802. a pipe sleeve; 803. a clamping block; 804. a sponge cushion; 9. a locking structure; 901. an external threaded tube; 902. a dividing groove; 903. and (5) fastening the nut.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be 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.

Example 1

Referring to fig. 1-5, the easy-to-adjust test fixture for a mechanical structure provided by the utility model comprises a supporting frame 1, a guide slide bar 2 and a push plate 4, wherein the guide slide bar 2 is arranged below the inner side of the supporting frame 1, a bidirectional screw 3 is rotationally connected above the inner side of the guide slide bar 2, the push plate 4 penetrates through the outer side of the guide slide bar 2, a sliding sleeve 5 is fixedly connected below one side of the push plate 4, a threaded sleeve 6 is fixedly connected above the sliding sleeve 5, an auxiliary clamping structure 7 is arranged at the top end of the other side of the push plate 4, the auxiliary clamping structure 7 comprises an embedding groove 701, a clamping block 702, an embedding insert 703, a fastening screw 704 and a fastening nut 705, the embedding groove 701 is arranged above the inner side of the push plate 4, the clamping block 702 is arranged at the top end of the other side of the push plate 4, one side of the clamping block 702 is fixedly connected with the embedding insert 703, one side of the embedding insert 703 is fixedly connected with the fastening screw 704, one side of the outer side of the fastening screw 704 penetrates through one side of the embedding groove 701 and is in threaded connection with the inner side of the fastening nut 705, the embedding groove and the inner part of the embedding insert 703 is in a threaded connection structure is formed between the embedding groove 704 and the fastening nut 705.

The working principle of the easy-to-adjust test fixture for a mechanical structure based on embodiment 1 is that the mechanical structure is placed on the inner sides of two groups of push plates 4 when the test fixture is used, because the two groups of push plates 4 are respectively located at the two side threads of the bidirectional screw 3, when the bidirectional screw 3 rotates, the two side push plates 4 move reversely, and the auxiliary clamping structure 7 clamps the mechanical structure, so that the test fixture can fasten the mechanical structure, the spacing between the push plates 4 can be adjusted according to the requirement by adjusting the forward and reverse rotation of the bidirectional screw 3, so as to adjust the clamping force of the mechanical structure, and in the process, because the different mechanical structures are different in appearance, the clamping effect of the test fixture is improved, the mechanical structure is prevented from moving, and therefore, the top end of the other side of the push plate 4 penetrates through the embedded groove 701 through the fastening screw 704 and uses the fastening nut 705 for threaded connection, so that the clamping blocks 702 with different specifications can be replaced according to the shape of the mechanical structure, the test fixture can be matched with the mechanical structure, and the clamping blocks 702 can be stably connected with the push plates 4 under the embedded groove 701.

Example two

The embodiment further includes: one side of thread bush 6 is provided with auxiliary lubrication structure 8, auxiliary lubrication structure 8 includes draw-in groove 801, pipe box 802, fixture block 803 and foam-rubber cushion 804, and draw-in groove 801 is seted up in one side of thread bush 6, and the below of push pedal 4 opposite side is provided with pipe box 802, and one side fixedly connected with fixture block 803 of pipe box 802, the inboard fixedly connected with foam-rubber cushion 804 of pipe box 802 are the block structure between draw-in groove 801 and the inside of fixture block 803, and the cross-sectional area of foam-rubber cushion 804 internal diameter is greater than the cross-sectional area of two-way screw 3 external diameters.

In this embodiment, when the test fixture is used, the push plates 4 at two sides are clamped by the threaded connection structure of the bidirectional screw 3 and the threaded sleeve 6, and after long-term use, the threaded connection of the bidirectional screw 3 and the threaded sleeve 6 is easy to generate a clamping phenomenon, so that the use effect of the test fixture is greatly reduced, therefore, the pipe sleeves 802 are installed on one side of the threaded sleeve 6 through the clamping structure of the clamping groove 801 and the clamping block 803, and the two groups of pipe sleeves 802 can wrap part of the bidirectional screw 3, so that the sponge pad 804 adsorbs a large amount of lubricating oil in advance, at this time, the push plates 4 drive the pipe sleeves 802 to move along the outer side wall of the bidirectional screw 3 after the bidirectional screw 3 rotates, so that the sponge pad 804 adsorbing the lubricating oil smears the outer side wall of the bidirectional screw 3, thereby enabling the threaded connection of the bidirectional screw 3 and the threaded sleeve 6 to be smoother, and avoiding the clamping phenomenon.

Example III

The embodiment further includes: one side fixedly connected with lock structure 9 of braced frame 1, lock structure 9 includes external screw thread pipe 901, split groove 902 and fastening nut 903, external screw thread pipe 901 fixed connection has offered split groove 902 in the inside of external screw thread pipe 901 lateral wall one side, external screw thread pipe 901's outside threaded connection has fastening nut 903, one side of direction slide bar 2 runs through to the inside of external screw thread pipe 901, split groove 902 is annular distribution in the inside of external screw thread pipe 901 lateral wall one side, be threaded connection structure between external screw thread pipe 901 and the inside of fastening nut 903.

In this embodiment, when the test fixture is used, the reverse rotation phenomenon of the bidirectional screw 3 is easy to occur under the interference of external force, and since one side of the bidirectional screw 3 extends and penetrates into the external screw thread tube 901, after the bidirectional screw 3 rotates and the push plate 4 finishes the clamping movement, the fastening nut 903 is screwed in the direction of the dividing groove 902, at this time, the external screw thread tube 901 divided by the dividing groove 902 gradually contracts inwards under the threaded connection of the fastening nut 903, so that the external screw thread tube 901 divided by the dividing groove 902 gradually clamps the bidirectional screw 3 penetrating into the bidirectional screw thread tube, so that the bidirectional screw 3 is locked after the rotation is finished, and the reverse rotation phenomenon of the bidirectional screw 3 is avoided.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be 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.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. A easy regulation test fixture for mechanical structure, including braced frame (1), direction slide bar (2) and push pedal (4), its characterized in that: a guide sliding rod (2) is arranged below the inner side of the support frame (1), and one side of the support frame (1) is fixedly connected with a locking structure (9);

a bidirectional screw rod (3) is rotatably connected above the inner side of the guide slide rod (2), and a push plate (4) penetrates through the outer side of the guide slide rod (2);

the novel structure is characterized in that a sliding sleeve (5) is fixedly connected to the lower portion of one side of the push plate (4), a threaded sleeve (6) is fixedly connected to the upper portion of the sliding sleeve (5), an auxiliary clamping structure (7) is arranged on the top end of the other side of the push plate (4), the auxiliary clamping structure (7) comprises an embedded groove (701), a clamping block (702), an embedded insert block (703), a fastening screw (704) and a fastening screw cap (705), the embedded groove (701) is formed in the upper portion inside the push plate (4), and an auxiliary lubricating structure (8) is arranged on one side of the threaded sleeve (6).

2. The easy-to-adjust test fixture for a mechanical structure of claim 1, wherein: the top of push pedal (4) opposite side is provided with clamp splice (702), one side fixedly connected with of clamp splice (702) is inlayed inserted block (703), one side fixedly connected with fastening screw (704) of inlaying inserted block (703), one side in fastening screw (704) outside runs through to one side of inlaying groove (701) and with the inside threaded connection of fastening nut (705).

3. The easy-to-adjust test fixture for a mechanical structure of claim 2, wherein: the embedded groove (701) and the embedded insert block (703) are in an embedded structure, and the fastening screw (704) and the fastening screw cap (705) are in a threaded connection structure.

4. The easy-to-adjust test fixture for a mechanical structure of claim 1, wherein: the auxiliary lubrication structure (8) comprises a clamping groove (801), a pipe sleeve (802), a clamping block (803) and a foam-rubber cushion (804), wherein the clamping groove (801) is formed in one side of a threaded sleeve (6), the pipe sleeve (802) is arranged below the other side of the push plate (4), the clamping block (803) is fixedly connected to one side of the pipe sleeve (802), and the foam-rubber cushion (804) is fixedly connected to the inner side of the pipe sleeve (802).

5. The adjustable test fixture for a mechanical structure of claim 4, wherein: the clamping groove (801) and the inside of the clamping block (803) are in a clamping structure, and the cross section area of the inner diameter of the foam-rubber cushion (804) is larger than the cross section area of the outer diameter of the bidirectional screw (3).

6. The easy-to-adjust test fixture for a mechanical structure of claim 1, wherein: the locking structure (9) comprises an external thread pipe (901), a dividing groove (902) and a fastening nut (903), wherein the external thread pipe (901) is fixedly connected to one side of the supporting frame (1), the dividing groove (902) is formed in the outer side wall of the external thread pipe (901), the fastening nut (903) is connected to the outer side thread of the external thread pipe (901), and one side of the guide sliding rod (2) penetrates through the outer side of the external thread pipe (901).

7. The easy-to-adjust test fixture for a mechanical structure of claim 6, wherein: the dividing grooves (902) are distributed in an annular mode in the outer side wall of the external threaded pipe (901), and the external threaded pipe (901) and the inside of the fastening nut (903) are in threaded connection structures.