Valve rod torque detection device

Abstract

The utility model discloses a valve rod torque detection device, which belongs to the technical field of valve rod detection, and can adjust a mounting frame to different positions in advance according to different lengths of valve rod bodies, so that the device can adapt to the overall detection requirements of the valve rod bodies with different lengths in the subsequent working process. The valve rod torque detection device comprises a base, a detector is installed at the terminal position of the top of the base, a test motor is installed at one end of the top of the base, a sliding way is formed in the end, away from the test motor, of the top of the base, an installation frame is installed in the sliding way, a lead screw is horizontally and rotationally arranged in the sliding way, and the bottom of the installation frame is installed on the lead screw in a sleeving mode. An embedding disc is rotationally embedded in one end, far away from the test motor, of the base, and one end of the screw rod is fixed on the embedding disc; a mounting disc is fixed to the top of the mounting frame, a fixing disc is mounted at the end, close to the detector, of the mounting disc, a valve rod body is mounted on the fixing disc, and the fixing disc and the mounting disc are connected through a positioning assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve rod detection technical field, concretely relates to valve rod torque detection device. BACKGROUND

[0002] Torque detection is a method for analyzing the torque distribution and size of an object by measuring its mechanical movement, so as to determine its working state. In the detection process, the measuring instrument determines the state by detecting the force and torque of the object and the rotation angle of the object on the space (X, Y, Z) axis, and realizes real-time monitoring of the load condition of the object. In the process of valve rod production, the overall torque condition of the valve rod needs to be detected and processed, so as to ensure that the valve rod after production meets the corresponding standards.

[0003] The existing valve rod torque detection device, because the distance between the mounting disc and the detection equipment is mostly fixed, when the valve rod is detected as a whole, the valve rod needs to be cut to the corresponding length in advance and then fixed, the overall operation is relatively cumbersome, and the torque of the long valve rod cannot be effectively detected. Therefore, the valve rod torque detection device is needed to assist in solving this problem. UTILITY MODEL CONTENTS

[0004] (1) Technical problem to be solved

[0005] In view of the defects of the prior art, the purpose of the utility model is to provide a valve rod torque detection device, which can adjust the mounting frame to different positions in advance according to the length of the valve rod body, so that the device can adapt to the overall detection needs of valve rod bodies of different lengths in the subsequent work process.

[0006] (2) Technical scheme

[0007] In order to solve the above technical problems, the utility model provides a valve rod torque detection device, which comprises a base, a detector is installed at the top terminal of the base, a test motor is installed at one end of the top of the base, a slide is opened at one end of the top of the base away from the test motor, a mounting frame is installed in the slide, a lead screw is horizontally arranged in the slide, the mounting frame is sleeved on the lead screw at the bottom, the lead screw is threadedly connected with the mounting frame, an embedded disc is rotatably installed at one end of the base away from the test motor, and one end of the lead screw is fixed on the embedded disc.

[0008] An installation disc is fixed at the top of the mounting frame, a fixed disc is installed at one end of the installation disc close to the detector, a valve rod body is installed on the fixed disc, the fixed disc and the installation disc are connected through a positioning assembly, and a mounting hole is opened in one end of the detector close to the valve rod body for inserting the valve rod body.

[0009] Further, the installation disc is provided with a through hole, and the valve rod body is provided with a positioning hole at one end close to the installation disc, and the inner edge of the positioning hole is provided with a ring groove, and the positioning assembly is inserted and installed between the through hole and the positioning hole.

[0010] Further, the through hole and the positioning hole are provided with four, and the four through holes and the four positioning holes are arranged in a ring array along the axis of the installation disc.

[0011] Further, the positioning assembly comprises an insertion column, the inside of the insertion column is provided with a reset cavity and an extrusion cavity from top to bottom, the reset cavity and the extrusion cavity are penetrated, a pulling column is installed on the insertion column, the pulling column is provided with a containing groove in the concave part of the extrusion cavity, the insertion column is provided with a trumpet-shaped extrusion hole at the extrusion cavity, the extrusion hole is installed with a positioning ball, one end of the pulling column corresponding to the reset cavity is provided with a protruding disc, and a reset spring is installed on the pulling column in the reset cavity.

[0012] Further, the extrusion hole is provided with four, and the four extrusion holes are symmetrically arranged on the insertion column.

[0013] Further, the fixed disc is provided with an insertion slot for inserting the valve rod body, and the insertion slot is installed with a positioning pin for assisting the positioning of the valve rod body.

[0014] Further, the two sides of the base are symmetrically installed with a fixed lug, and the fixed lug is provided with a bolt positioning hole.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the beneficial effects of the utility model lie in that:

[0017] The utility model discloses a cooperation between the screw rod, the embedded disc and the mounting frame installed on the screw rod, which can adjust the mounting frame to different positions according to the length of the valve rod body before work, so that the device can adapt to the overall detection requirement of the valve rod body with different lengths in the subsequent work.

[0018] The utility model discloses a positioning assembly connected between the installation disc and the fixed disc, the positioning assembly is sequentially transmitted into the through hole and extends into the positioning hole, the pull ring is loosened, the protruding disc is pushed as a whole under the action of the compressed reset spring, so that the pulling column is pushed, and the positioning ball is extruded as a whole, so that the positioning ball enters the ring groove, and the overall rapid positioning of the fixed disc is completed, so that the rapid installation of the valve rod body of different models is facilitated, and the subsequent work is ensured to be carried out smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only represent some embodiments of the present application, and all other drawings obtained by those of ordinary skill in the art without creative effort based on these drawings belong to the protection scope of the present application.

[0020] Figure 1 The structure schematic view of the present application is shown in the figure.

[0021] Figure 2 The longitudinal sectional view of the positioning assembly of the present application is shown in the figure.

[0022] Figure 3 The structure schematic view of the present application Figure 1 The enlarged structure schematic view of A in the figure.

[0023] Figure 4 The structure schematic view of the present application when the fixing disc cooperates with the positioning pin.

[0024] The marks in the figure are: 1, base; 2, fixing ear; 3, screw rod; 4, embedded disc; 5, mounting frame; 6, mounting disc; 61, positioning assembly; 611, plug-in column; 612, pull column; 613, protruding disc; 614, accommodating groove; 615, positioning ball; 616, reset spring; 7, valve stem body; 71, fixing disc; 72, positioning hole; 721, ring groove; 73, plug-in groove; 74, positioning pin; 8, detector; 81, mounting hole; 9, test motor. Specific implementation

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in the following description of the embodiments of the present application with the accompanying drawings. Obviously, the described embodiments only represent some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the protection scope of the present application.

[0026] The specific implementation is a valve stem torque detection device, such as Figure 1As shown, the valve rod torque detection device includes a base 1, a detector 8 is installed at the top end of the base 1, a test motor 9 is installed at one end of the top of the base 1, a slide is opened at the end of the top of the base 1 away from the test motor 9, a mounting bracket 5 is installed in the slide, the mounting bracket 5 is sleeved and installed on the lead screw 3, the lead screw 3 is threadedly connected with the mounting bracket 5, a built-in disc 4 is rotatably built-in and installed at the end of the base 1 away from the test motor 9, one end of the lead screw 3 is fixed on the built-in disc 4, and fixed ears 2 are symmetrically installed on both sides of the base 1. A bolt positioning hole is formed through the fixed ear 2, and the fixed ear 2 can be conveniently fixed at the corresponding position before work.

[0027] Through the cooperation between the lead screw 3, the built-in disc 4 and the mounting bracket 5 sleeved and installed on the lead screw 3, the mounting bracket 5 can be adjusted to different positions in advance according to the different lengths of the valve rod body 7 before work, so that the device can adapt to the overall detection requirements of valve rod bodies 7 of different lengths in the subsequent work process.

[0028] Referring to Figure 1 , Figure 2 and Figure 3 , the mounting disc 6 is fixed at the top of the mounting bracket 5, the fixed disc 71 is installed at the end of the mounting disc 6 close to the detector 8, the valve rod body 7 is installed on the fixed disc 71, the fixed disc 71 is connected with the mounting disc 6 through the positioning assembly 61, the detector 8 is provided with a mounting hole 81 for inserting the valve rod body 7 at the end close to the valve rod body 7, the through holes are formed through the mounting disc 6, the positioning holes 72 are formed at the end of the valve rod body 7 close to the mounting disc 6, the inner edge of the positioning hole 72 is provided with a ring groove 721, the positioning assembly 61 is inserted and installed between the through hole and the positioning hole 72, the through hole and the positioning hole 72 are provided with four, and the four through holes and the four positioning holes 72 are arranged in a ring array around the axis of the mounting disc 6.

[0029] Through the cooperation between the ring array arranged positioning holes 72 and the through holes, the mounting disc 6 and the fixed disc 71 can be stably fixed in all directions during work, ensuring the smooth progress of the subsequent work.

[0030] The above-mentioned positioning assembly 61 includes an insertion column 611, a reset cavity and an extrusion cavity are formed in the insertion column 611 from top to bottom, the reset cavity and the extrusion cavity are through, a pulling column 612 is installed on the insertion column 611, a containing groove 614 is formed in the box at the section of the pulling column 612 corresponding to the extrusion cavity, a trumpet-shaped extrusion hole is formed in the insertion column 611 corresponding to the extrusion cavity, a positioning ball 615 is installed in the extrusion hole, a protruding disc 613 is protrudingly arranged at one end of the pulling column 612 corresponding to the reset cavity, and a reset spring 616 is sleeved and installed on the pulling column 612 in the reset cavity to extrude the auxiliary protruding disc 613.

[0031] By setting the positioning assembly 61 connected between the mounting disc 6 and the fixed disc 71, the positioning assembly 61 is sequentially transmitted into the through hole and extends into the positioning hole 72, the pull ring is loosened, the protruding disc 613 is pushed as a whole under the action of the compressed reset spring 616, so that the pulling column 612 is pushed, and the positioning ball 615 is extruded as a whole, so that the positioning ball 615 enters the ring groove 721, thereby completing the overall rapid positioning of the fixed disc 71, facilitating the rapid installation of the valve stem body 7 of different models, and ensuring the smooth progress of subsequent work.

[0032] The four extrusion holes are symmetrically arranged on the plug-in column 611. Through the symmetrically arranged extrusion holes and the positioning balls 615 therein, the positions of the plug-in column 611 can be stably fixed during subsequent work, ensuring the smooth progress of subsequent work.

[0033] Referring to Figure 1 and Figure 4 As shown, the fixed disc 71 is provided with an insertion slot 73 for inserting the valve stem body 7, and a positioning pin 74 for positioning the valve stem body 7 is installed in the insertion slot 73. Through the cooperation between the positioning pin 74 and the insertion slot 73, the valve stem body 7 can be quickly installed and positioned during detection, and different specifications of the fixed disc 71 can be replaced according to different sizes of the valve stem body 7 for subsequent installation and detection.

[0034] Working principle:

[0035] During work, one end of the valve stem body 7 is inserted and installed in the insertion slot 73, and the valve stem body 7 is stably clamped and installed in the fixed disc 71 through the positioning pin 74, thereby completing the overall installation of the valve stem body 7. The positioning hole 72 is attached to the mounting disc 6, the positioning assembly 61 is sequentially transmitted into the through hole and extends into the positioning hole 72, the pull ring is loosened, the protruding disc 613 is pushed as a whole under the action of the compressed reset spring 616, so that the pulling column 612 is pushed, and the positioning ball 615 is extruded as a whole, so that the positioning ball 615 enters the ring groove 721, thereby completing the overall positioning of the valve stem body 7. Turn the embedded disc 4, the embedded disc 4 drives the screw rod 3 to rotate as a whole, the screw rod 3 is screwed with the mounting bracket 5, thereby the mounting bracket 5 is pushed as a whole, and one end of the valve stem body 7 is inserted into the mounting hole 81. Start the test motor 9, and detect the overall torque of the valve stem body 7 through the detector 8.

[0036] All technical features in the embodiment can be freely combined according to actual needs.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A valve stem torque detection device, comprising a base (1), characterized in that, A detector (8) is installed at the top end of the base (1). A test motor (9) is installed at one end of the top of the base (1). A slide is provided at the end of the top of the base (1) away from the test motor (9). A mounting bracket (5) is installed in the slide. A lead screw (3) is horizontally rotatably installed in the slide. The bottom of the mounting bracket (5) is sleeved on the lead screw (3). The lead screw (3) and the mounting bracket (5) are threaded together. An embedding plate (4) is rotatably embedded at the end of the base (1) away from the test motor (9). One end of the lead screw (3) is fixed on the embedding plate (4). The mounting bracket (5) is fixed with a mounting plate (6) at the top. A fixing plate (71) is installed on the end of the mounting plate (6) near the detector (8). A valve stem body (7) is installed on the fixing plate (71). The fixing plate (71) and the mounting plate (6) are connected by a positioning component (61). The detector (8) near the valve stem body (7) has an opening for the valve stem body (7) to be inserted into the mounting hole (81).

2. The valve stem torque detection device according to claim 1, characterized in that, The mounting plate (6) has a through hole, and the valve stem body (7) has a positioning hole (72) at one end near the mounting plate (6). The positioning hole (72) has an annular groove (721) at its inner edge. The positioning component (61) is inserted and installed between the through hole and the positioning hole (72).

3. The valve stem torque detection device according to claim 2, characterized in that, There are four through holes and four positioning holes (72), and the four through holes and four positioning holes (72) are arranged in a circular array around the axis of the mounting plate (6).

4. The valve stem torque detection device according to claim 1, characterized in that, The positioning component (61) includes a plug-in post (611). The plug-in post (611) has a reset cavity and a compression cavity respectively opened from top to bottom. The reset cavity and the compression cavity are connected. A pull post (612) is installed through the plug-in post (611). A receiving groove (614) is recessed in a section of the pull post (612) corresponding to the compression cavity. A trumpet-shaped compression hole is opened in the plug-in post (611) corresponding to the compression cavity. A positioning ball (615) is installed in the compression hole. A protruding disc (613) is provided at one end of the pull post (612) corresponding to the reset cavity. A reset spring (616) for the auxiliary protruding disc (613) is sleeved on the pull post (612) in the reset cavity.

5. The valve stem torque detection device according to claim 4, characterized in that, The compression holes are provided in four places, and the four compression holes are symmetrically arranged on the plug post (611).

6. The valve stem torque detection device according to claim 1, characterized in that, The fixed plate (71) is provided with a slot (73) for inserting the valve stem body (7), and a positioning pin (74) for assisting the positioning of the valve stem body (7) is installed on the slot (73).

7. The valve stem torque detection device according to claim 1, characterized in that, The base (1) is symmetrically equipped with fixing ears (2) on both sides, and the fixing ears (2) are provided with bolt positioning holes.

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