Piston shaft detection device

Abstract

The utility model belongs to the technical field of piston shaft detection, and particularly relates to a piston shaft detection device which comprises a main board. An auxiliary detection device is mounted on the main board; a feeding cavity is formed in the feeding box; a discharging port is formed in the plate body, close to the supporting frame, of the feeding box in a penetrating mode. An electric push rod is mounted at the top of the fixed plate; a rotating shaft is mounted between frame bodies of the lifting frame; a poke rod is mounted outside a shaft body of the rotating shaft; an output shaft of the small motor is connected with the end part of the rotating shaft; the outer part of the section of the screw rod is sleeved with a moving block through a thread; a telescopic cavity is formed in the structural face, close to the supporting frame, of the connecting block. The limiting block is arranged outside the section of the sliding rod in a sleeving mode through the sliding hole. Through the action of the auxiliary detection device, the piston shaft is continuously pulled out, the automatic feeding effect is achieved, and the efficiency of the whole detection operation is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of piston shaft detection, in particular to a piston shaft detection device. Background Art

[0002] In the jack guide sleeves, pistons and other disc sleeve accessories used in coal mine supports, the piston shaft needs to be tested to ensure that the piston shaft can meet the production and use requirements;

[0003] A Chinese patent with the publication number of "Guide sleeves for coal mine support jacks, pistons and other disc sleeve accessories" discloses a piston coaxiality detection device. The piston coaxiality detection device includes a base plate, a fixed frame is provided on the base plate, and the guide sliding assembly on the fixed frame is equipped with two coaxially arranged guide rods, the ends of the two guide rods are respectively fixedly connected with a first clamping jaw and a second clamping jaw with openings facing each other, and the upper sides of the two guide rods are respectively connected with an L-shaped first connecting rod and a second connecting rod, the end of the first connecting rod is provided with a forward threaded section, and the end of the second connecting rod is provided with a reverse threaded section, and the first connecting rod and the second connecting rod are connected by a connecting sleeve that matches the forward threaded section and the reverse threaded section respectively, and the fixed frame is provided with a light blocking plate located on one side of the first clamping jaw and the second clamping jaw, and the fixed frame is provided with an irradiation lamp located on the other side of the first clamping jaw and the second clamping jaw. Compared with the prior art, the piston coaxiality detection device of the utility model is easy to operate, simple in structure, low in cost, and reduces the burden on enterprises;

[0004] When the above-mentioned piston coaxiality detection device is used, the loading operation is relatively inconvenient and it takes a long time to load the piston shafts one by one, which affects the efficiency of the entire detection operation. Therefore, a piston shaft detection device is proposed to address the above-mentioned problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems in piston shaft detection operations, the utility model proposes a piston shaft detection device.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: a piston shaft detection device described in the utility model comprises a main board; a fixed seat is installed at one end of the top of the main board; a support frame is installed at the middle position of the main board; an auxiliary detection device is installed on the main board; the auxiliary detection device comprises a feeding box; a feeding box is fixed on the top of the fixed seat; a feeding cavity is opened inside the feeding box; a discharge port is opened through the plate body of the feeding box near the support frame; a fixed plate is fixedly connected to the top of the discharge port on the side of the feeding box; an electric push rod is installed on the top of the fixed plate; the bottom of the pushing end of the electric push rod extends through the fixed plate and is fixedly connected to the lifting frame; a rotating shaft is installed between the frame bodies of the lifting frame; a toggle rod is installed on the outside of the shaft body of the rotating shaft; a small motor is installed on one side of the frame body of the lifting frame; the output shaft of the small motor is connected to the end of the rotating shaft; a guide plate is installed on the top of the main board between the fixed seat and the support frame; the effect of automatic feeding is achieved.

[0007] Preferably, the horizontal plane where the bottom end surface of the discharge port is located coincides with the horizontal plane where the bottom end surface of the inner wall of the feeding cavity is located; the lifting frame is located inside the discharge port and moves; so that the lifting frame can operate smoothly.

[0008] Preferably, an adjustment hole is provided at one end of the top of the main board away from the feed box; a screw is installed inside the adjustment hole; a moving block is provided on the outside of the cross-section of the screw through a threaded sleeve; a moving frame is fixedly connected to the top of the moving block; connecting blocks are symmetrically fixedly connected to the two ends of the top of the moving frame; a telescopic cavity is provided on the structural surface of the connecting block close to the support frame; a sliding rod is fixed to the inside of the telescopic cavity; a limiting block is provided inside the telescopic cavity; the limiting block is sleeved on the outside of the cross-section of the sliding rod through a sliding hole; the moving position of the piston shaft is limited.

[0009] Preferably, a spring is sleeved on the outside of the cross section of the slide rod; one end of the spring is connected to the inner wall surface of the telescopic cavity; the other end of the spring is connected to the body of the limit block; the spring does not change when it is not in action; thus ensuring the smooth operation of the limit block.

[0010] Preferably, a drive motor is installed on the structural end face of the main board near the adjustment hole; the output shaft of the drive motor is inserted into the adjustment hole and connected to the end of the screw; a scale line is engraved on the top of the main board at the position where the adjustment hole is opened; so as to provide power for the rotation of the screw.

[0011] Preferably, a detection component is installed on the support frame; the detection component includes a sliding block; a telescopic rod is installed at the bottom of the sliding block, and a size detection structure is installed at the bottom end of the telescopic rod; clamping components are installed on the two side frames of the support frame; clamping blocks are installed at the ends of the rods of the clamping components; so that the detection operation can be carried out smoothly.

[0012] The utility model is beneficial in that:

[0013] The utility model adopts the structural design of the auxiliary detection device, the electric push rod on the fixed plate operates, the lifting frame drives the toggle rod to drop to a suitable height, and then, the driving motor is started, the screw rod inside the adjustment hole rotates, and the movement position of the movable frame on the scale line is observed, so that the movable block drives the movable frame and the connecting block to move to a suitable position, and then, the piston shaft to be detected is placed in the feeding cavity of the feeding box, and then, the small motor is started, and the rotating shaft drives the toggle rod to rotate, so that the piston shaft is continuously dialed out, the effect of automatic feeding is realized, and the efficiency of the entire detection operation is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a three-dimensional structural diagram;

[0016] Figure 2 It is a structural diagram of the feeding box;

[0017] Figure 3 It is a structural diagram of the auxiliary loading component;

[0018] Figure 4 It is a structural diagram of the auxiliary limit component;

[0019] Figure 5 A schematic diagram of the connection block structure.

[0020] In the figure: 1. Main board; 2. Fixed seat; 3. Support frame; 401. Feed box; 402. Feed cavity; 403. Discharge port; 404. Fixed plate; 405. Electric push rod; 406. Lifting frame; 407. Rotating shaft; 408. Toggle rod; 409. Small motor; 410. Guide plate; 501. Adjustment hole; 502. Screw; 503. Moving block; 504. Moving frame; 505. Connecting block; 506. Telescopic cavity; 507. Sliding rod; 508. Limit block; 509. Spring; 510. Drive motor; 511. Scale line; 6. Detection component; 7. Clamping component; 701. Clamping block. DETAILED DESCRIPTION

[0021] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 As shown, a piston shaft detection device includes a main board 1; a fixing seat 2 is installed at one end of the top of the main board 1; a support frame 3 is installed in the middle of the main board 1; an auxiliary detection device is installed on the main board 1; the auxiliary detection device includes a feed box 401; a feed box 401 is fixed on the top of the fixing seat 2; a feed cavity 402 is opened inside the feed box 401; a discharge port 403 is opened through the plate body of the feed box 401 near the support frame 3; a fixing plate 404 is fixed on the side of the feed box 401 at the top of the discharge port 403; an electric push rod 405 is installed on the top of the fixing plate 404; the electric push rod 40 The bottom of the pushing end of 5 extends through the fixed plate 404 and is fixedly connected to the lifting frame 406; a rotating shaft 407 is installed between the frame bodies of the lifting frame 406; a toggle rod 408 is installed on the outside of the shaft body of the rotating shaft 407; a small motor 409 is installed on one side of the frame body of the lifting frame 406; the output shaft of the small motor 409 is connected to the end of the rotating shaft 407; a guide plate 410 is installed on the top of the main board 1 between the fixed seat 2 and the support frame 3; the horizontal plane where the bottom end surface of the discharge port 403 is located coincides with the horizontal plane where the bottom end surface of the inner wall of the feeding chamber 402 is located; the lifting frame 406 moves inside the discharge port 403;

[0023] During operation, it is necessary to inspect the piston shaft in the jack guide sleeve, piston and other disc sleeve accessories used in the coal mine support to ensure that the piston shaft can meet the production and use requirements; when the above-mentioned piston coaxiality detection device is in use, the loading operation is relatively inconvenient, and it takes a long time to load the piston shafts one by one, affecting the efficiency of the entire detection operation. The present application operates through an auxiliary detection device. According to the size of the piston shaft, the electric push rod 405 on the fixed plate 404 operates, and the lifting frame 406 drives the toggle rod 408 to descend to a suitable height. Then, the piston shaft to be inspected is placed in the feeding cavity 402 of the feeding box 401. Then, the small motor 409 is started, and the rotating shaft 407 drives the toggle rod 408 to rotate, so that the piston shaft is continuously dialed out, achieving the effect of automatic loading and improving the efficiency of the entire detection operation.

[0024] See also Figure 1 、 4-5, an adjustment hole 501 is provided at one end of the top of the main board 1 away from the feeding box 401; a screw 502 is installed inside the adjustment hole 501; a moving block 503 is provided on the outside of the cross section of the screw 502 through a threaded sleeve; a moving frame 504 is fixed on the top of the moving block 503; connecting blocks 505 are symmetrically fixed at both ends of the top of the moving frame 504; a telescopic cavity 506 is provided on the structural surface of the connecting block 505 close to the support frame 3; a slide rod 507 is fixed inside the telescopic cavity 506; a limit block 508 is provided inside the telescopic cavity 506; the limit block 508 is sleeved on the outside of the cross section of the slide rod 507 through a sliding hole; a spring 509 is sleeved on the outside of the cross section of the slide rod 507; one end of the spring 509 is connected to the telescopic cavity 506. On the inner wall surface of the contraction cavity 506; the other end of the spring 509 is connected to the block body of the limit block 508; the spring 509 does not change when it is not in action; a drive motor 510 is installed on the structural end surface of the main board 1 near the adjustment hole 501; the output shaft of the drive motor 510 is inserted into the adjustment hole 501 and connected to the end of the screw 502; a scale line 511 is engraved on the top of the main board 1 at the position where the adjustment hole 501 is opened; a detection component 6 is installed on the support frame 3; the detection component 6 includes a sliding block; a telescopic rod is installed at the bottom of the sliding block, and a size detection structure is installed at the bottom end of the telescopic rod; clamping components 7 are installed on the two side frames of the support frame 3; clamping blocks 701 are installed at the ends of the rods of the clamping component 7;

[0025] During operation, the drive motor 510 is started, the screw 502 inside the adjustment hole 501 rotates, and the movement position of the movable frame 504 on the scale line 511 is observed, so that the movable block 503 drives the movable frame 504 and the connecting block 505 to move to the appropriate position. After the piston shaft enters the operating range of the clamping assembly 7 through the guide plate 410, the piston shaft continues to move and hits the limit block 508. With the cooperation of the slide rod 507 and the spring 509, the limit block 508 moves to a certain distance along the telescopic cavity 506 in the connecting block 505. Under the reaction force of the spring 509, the piston shaft can be kept stationary within the operating range of the clamping assembly 7. The clamping block 701 operates to fix the piston shaft. With the cooperation of the detection assembly 6, rapid detection of piston shafts of different sizes is achieved.

[0026] Working principle: In the jack guide sleeves, pistons and other disc sleeve accessories used in coal mine supports, the piston shaft needs to be tested to ensure that the piston shaft can meet the production and use requirements; when the above-mentioned piston coaxiality detection device is in use, the loading operation is relatively inconvenient, and it takes a long time to load the piston shafts one by one, affecting the efficiency of the entire detection operation. This application operates through an auxiliary detection device. According to the size of the piston shaft, the electric push rod 405 on the fixed plate 404 operates, and the lifting frame 406 drives the toggle rod 408 to drop to the appropriate height, and then starts the drive motor 510, and the screw 502 inside the adjustment hole 501 rotates, and the movement position of the movable frame 504 on the scale line 511 is observed, so that the movable block 503 drives the movable frame 504 and the connecting block 505 to move to the appropriate position, and then , put the piston shaft to be tested into the feeding chamber 402 of the feeding box 401, then start the small motor 409, and the rotating shaft 407 drives the toggle rod 408 to rotate, so as to continuously dial out the piston shaft, realize the effect of automatic loading, and improve the efficiency of the entire detection operation, so that the piston shaft enters the operating range of the clamping assembly 7 through the guide plate 410. During the movement, the piston shaft hits the limit block 508. With the cooperation of the slide bar 507 and the spring 509, the limit block 508 moves to a certain distance along the telescopic cavity 506 in the connecting block 505. Under the reaction force of the spring 509, the piston shaft can be stationary within the operating range of the clamping assembly 7, and the clamping block 701 operates to fix the piston shaft. With the cooperation of the detection assembly 6, rapid detection of piston shafts of different sizes is achieved.

[0027] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A piston shaft detection device, comprising a main board (1); a fixing seat (2) is installed at one end of the top of the main board (1); a support frame (3) is installed at the middle of the main board (1); an auxiliary detection device is installed on the main board (1); and the characteristics are: The auxiliary detection device comprises a feeding box (401); a feeding box (401) is fixed on the top of the fixing seat (2); a feeding cavity (402) is provided inside the feeding box (401); a discharge port (403) is provided through the plate of the feeding box (401) close to the support frame (3); a fixing plate (404) is fixedly connected to the top of the discharge port (403) on the side of the feeding box (401); an electric push rod (405) is installed on the top of the fixing plate (404); the electric push rod (405) The bottom of the pushing end extends through the fixed plate (404) and is fixedly connected to the lifting frame (406); a rotating shaft (407) is installed between the frame bodies of the lifting frame (406); a toggle rod (408) is installed outside the shaft body of the rotating shaft (407); a small motor (409) is installed on one side of the frame body of the lifting frame (406); the output shaft of the small motor (409) is connected to the end of the rotating shaft (407); a guide plate (410) is installed on the top of the main board (1) between the fixed seat (2) and the support frame (3).

2. The piston shaft detection device according to claim 1, characterized in that: The horizontal plane where the bottom end surface of the discharge port (403) is located coincides with the horizontal plane where the bottom end surface of the inner wall of the feeding cavity (402) is located; the lifting frame (406) is located inside the discharge port (403) and moves.

3. The piston shaft detection device according to claim 2, characterized in that: An adjustment hole (501) is provided at one end of the top of the main board (1) away from the feeding box (401); a screw (502) is installed inside the adjustment hole (501); a moving block (503) is provided on the outside of the cross section of the screw (502) through a threaded sleeve; a moving frame (504) is fixedly connected to the top of the moving block (503); connecting blocks (505) are symmetrically fixedly connected to the two ends of the top of the moving frame (504); a telescopic cavity (506) is provided on the structural surface of the connecting block (505) close to the support frame (3); a sliding rod (507) is fixedly connected to the inside of the telescopic cavity (506); a limit block (508) is provided inside the telescopic cavity (506); the limit block (508) is sleeved on the outside of the cross section of the sliding rod (507) through a sliding hole.

4. The piston shaft detection device according to claim 3, characterized in that: A spring (509) is sleeved on the outside of the cross section of the slide rod (507); one end of the spring (509) is connected to the inner wall surface of the telescopic cavity (506); the other end of the spring (509) is connected to the body of the limit block (508); the spring (509) does not change when it is not in action.

5. The piston shaft detection device according to claim 4, characterized in that: A driving motor (510) is mounted on the structural end surface of the main board (1) near the adjustment hole (501); an output shaft of the driving motor (510) is inserted into the adjustment hole (501) and connected to the end of the screw rod (502); and a scale line (511) is engraved on the top of the main board (1) at the position where the adjustment hole (501) is opened.

6. The piston shaft detection device according to claim 5, characterized in that: A detection assembly (6) is installed on the support frame (3); the detection assembly (6) includes a sliding block; a telescopic rod is installed at the bottom of the sliding block, and a size detection structure is installed at the bottom end of the telescopic rod; clamping assemblies (7) are installed on both sides of the support frame (3); and clamping blocks (701) are installed on the ends of the rods of the clamping assembly (7).

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