Generator cylinder body casting pressure test detection device

Abstract

The utility model relates to the technical field of inspection tools, in particular to a generator cylinder body casting pressure test detection device, which comprises a placement seat and a casting body, the casting body is placed on the placement seat, the top end of the placement seat is provided with two control grooves which are matched with each other, the two control grooves are internally provided with limiting rods, the limiting rods are connected with sliding pieces in a sliding manner, and the sliding pieces are connected with the sliding pieces in a sliding manner. The top ends of the sliding pieces penetrate through the control grooves and are connected with clamping plates, inclined wing plates are arranged on the clamping plates, first springs are arranged at the ends, away from each other, of the two sliding pieces, the other ends of the first springs are connected to the inner side walls of the control grooves, and first toothed plates are arranged in the two control grooves. A plurality of uniformly distributed second springs are arranged between the bottom end of the first toothed plate and the inner side wall of the control groove, and second toothed plates matched with the first toothed plate are arranged at the bottom ends of the two sliding pieces, so that the purposes of conveniently and accurately positioning the casting, preventing the casting from shaking or deflecting and improving the detection accuracy are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of test tooling, and specifically relates to a generator cylinder casting pressure test detection device. BACKGROUND

[0002] In the casting manufacturing of the generator cylinder, the pressure test detection of the cast cylinder casting is a detection procedure that must be carried out on the casting quality, and the design of the tooling directly affects the product shipment qualification rate; when the existing pressure test is carried out, the cylinder casting is often heavy, the cylinder bottom surface cannot be accurately detected for leakage of the blind hole reserved for the bolt and the like because the cylinder bottom surface and the placement plane are pressed tightly.

[0003] Through retrieval, the utility model discloses a kind of generator cylinder casting pressure test detection devices, including the base for placing cylinder casting, and there is rubber pad between the contact surface of cylinder casting and base;Blind hole is on the bottom surface of cylinder casting, and there is through hole communicated with the outside of base on the base and rubber pad matched with the position of blind hole;The surface of base placing cylinder casting has recess, and recess shape is matched with rubber pad and embedded fixed rubber pad.The utility model pressure test tool is designed according to the shape of the bottom surface of cylinder casting, and through hole is arranged at the position of blind hole between base, rubber pad and the bottom surface of cylinder casting.

[0004] Although the above-mentioned prior art can improve the accuracy of the pressure test detection of the crankcase, eliminate the situation that the oil return channel or the water channel cannot be discovered in time due to the communication between the material looseness or the air hole sand hole and the screw hole, and reduce the economic loss caused by inaccurate detection, the device is not convenient for accurate positioning of the casting during detection, which can easily cause the casting to shake or deviate, and reduce the detection accuracy. UTILITY MODEL CONTENTS

[0005] (I) technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a kind of generator cylinder casting pressure test detection device to solve the problem of not being convenient for accurate positioning of the casting, which can easily cause the casting to shake or deviate, and reduce the detection accuracy as proposed in the background art.

[0007] (II) technical scheme

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] A kind of generator cylinder casting test detection device, including placement seat, wherein, still including casting body, casting body is placed on placement seat, bottom end of the casting body is equipped with blind hole, top end of the placement seat is equipped with accommodating groove, accommodating groove is equipped with rubber pad matched with casting body, first through-hole matched with blind hole is formed in rubber pad, second through-hole matched with first through-hole is formed in the inner lower side wall of accommodating groove, bottom end of the placement seat is equipped with gas flow meter matched with second through-hole, top end of the placement seat is equipped with two matched control grooves, the inside of two control grooves is equipped with limit rod, sliding member is connected to limit rod by sliding, the top end of sliding member penetrates control groove and is connected with clamping plate, oblique wing plate is arranged on clamping plate, the end of two sliding members away from each other is equipped with first spring, the other end of first spring is connected to the inner side wall of control groove, first toothed plate is arranged in two control grooves, a plurality of second springs are arranged between the bottom end of first toothed plate and the inner side wall of control groove, the bottom end of two sliding members is equipped with second toothed plate matched with first toothed plate, through-hole is formed in the inner side wall of two control grooves, the end of two first toothed plates away from each other is connected with control handle by penetrating through-hole.

[0010] Optionally, the end of two clamping plates away from each other is fixedly connected with fixed block at the position close to bottom end, the top end of fixed block is rotatably connected with threaded rod, the top end of threaded rod is provided with rotating handle, threaded member is threadedly connected to threaded rod, the end of two threaded members close to each other is fixedly connected with pressing plate at the position close to top end.

[0011] Optionally, the bottom end of two pressing plates is fixedly connected with first anti-skid pad, and the end of two clamping plates close to each other is fixedly connected with second anti-skid pad.

[0012] Optionally, the both ends of the placement seat are fixedly connected with L-shaped pieces, and one end of the two control handles is rotatably connected with the L-shaped pieces.

[0013] Optionally, the four corner positions of the bottom end of the placement seat are fixedly connected with supporting legs, and the bottom ends of the four supporting legs are fixedly connected with a bottom plate.

[0014] Optionally, the top end of the placement seat is fixedly connected with a positioning piece matched with the casting body.

[0015] (Three) beneficial effects

[0016] In summary, the utility model includes at least one of the following beneficial technical effects:

[0017] The cast body is placed on the placing seat, so that the blind hole is aligned with the first through hole, so as to facilitate detection of the cast body, the control handle is pressed to drive the first toothed plate to move downwards, so that the first toothed plate is separated from the second toothed plate, the first spring pushes the sliding piece to move, the sliding piece drives the clamping plates to move, so that the two clamping plates are tightly attached to the cast body, at this time, the second spring pushes the first toothed plate to move to reset, so that the first toothed plate is engaged with the second toothed plate, so as to position the sliding piece and the clamping plates, so as to facilitate accurate positioning of the cast, avoid shaking or deflection of the cast, and improve the detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a first side view structure schematic diagram of the utility model;

[0019] Figure 2 It is a first sectional view structure schematic diagram of the utility model;

[0020] Figure 3 It is a second sectional view structure schematic diagram of the utility model;

[0021] Figure 4 It is Figure 3 It is a local enlarged structure schematic diagram of A in the middle.

[0022] In the drawing: 1, placing seat; 2, cast body; 3, rubber pad; 4, gas flow meter; 5, limiting rod; 6, sliding piece; 7, clamping plate; 8, inclined wing plate; 9, first spring; 10, first toothed plate; 11, second spring; 12, second toothed plate; 13, control handle; 14, fixed block; 15, threaded rod; 16, rotating handle; 17, threaded part; 18, pressing plate; 19, first anti-skid pad; 20, second anti-skid pad; 21, L-shaped piece; 22, supporting leg; 23, bottom plate; 24, positioning piece. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] The utility model will be further described in detail below in combination with the drawings in the description.

[0025] Reference Figures 1-4The utility model provides a kind of generator cylinder casting test detection device, including placing seat 1 and casting body 2, casting body 2 is placed on placing seat 1, the bottom end of casting body 2 is equipped with blind hole, the top end of placing seat 1 is equipped with accommodating groove, accommodating groove is equipped with rubber pad 3 with casting body 2 cooperation, rubber pad 3 is equipped with first through hole with blind hole cooperation on, the inner lower side wall of accommodating groove is equipped with second through hole with first through hole cooperation, the bottom end of placing seat 1 is equipped with gas flowmeter 4 with second through hole cooperation, the top end of placing seat 1 is equipped with two matched control grooves, the inside of two control grooves is equipped with limit rod 5, sliding member 6 is slidably connected on limit rod 5, the top end of sliding member 6 penetrates control groove and is connected with clamping plate 7, clamping plate 7 is equipped with oblique wing plate 8, the end of mutual repulsion of two sliding members 6 is equipped with first spring 9, the other end of first spring 9 is connected on the inner side wall of control groove, the first toothed plate 10 is equipped in two control grooves, the inner side wall between the bottom end of first toothed plate 10 and control groove is provided with a plurality of evenly distributed second spring 11, the bottom end of two sliding members 6 is equipped with second toothed plate 12 with first toothed plate 10 cooperation, the inner side wall of two control grooves is equipped with through hole, the end of mutual repulsion of two first toothed plates 10 is connected with control handle 13 and penetrates through hole.

[0026] By placing casting body 2 on placing seat 1, the blind hole is aligned with the first through hole, which facilitates the detection of the casting body 2. Pressing the control handle 13 drives the first toothed plate 10 to move downward, which causes the first toothed plate 10 to disengage from the second toothed plate 12. The first spring 9 pushes the sliding member 6 to move, and the sliding member 6 drives the clamping plate 7 to move, which causes the two clamping plates 7 to tightly contact the casting body 2. At this time, the second spring 11 pushes the first toothed plate 10 to move, which causes the first toothed plate 10 to engage with the second toothed plate 12. This positions the sliding member 6 and the clamping plate 7, which facilitates accurate positioning of the casting, avoids casting from shaking or tilting, and improves detection accuracy.

[0027] Referring to Figure 1 and Figure 2 , the end of mutual repulsion of two clamping plates 7 is fixedly connected with fixed block 14 at the position close to the bottom end, the top end of fixed block 14 is rotatably connected with threaded rod 15, the top end of threaded rod 15 is provided with rotating handle 16, threaded rod 15 is threadedly connected with threaded piece 17, the end of mutual approach of two threaded pieces 17 is fixedly connected with pressing plate 18 at the position close to the top end.

[0028] When the clamping plate 7 clamps and fixes the casting body 2, rotating the rotating handle 16 drives the threaded rod 15 to rotate, which drives the threaded piece 17 and the pressing plate 18 to move. The pressing plate 18 presses and fixes the casting body 2, which causes the bottom end of the casting body 2 to tightly contact the placing seat 1. This maintains the airtightness between the casting body 2 and the placing seat 1.

[0029] With reference to Figure 2 , the bottom end of the two pressing plates 18 is fixedly connected with a first anti-skid pad 19, and the end of the two clamping plates 7 close to each other is fixedly connected with a second anti-skid pad 20. The first anti-skid pad 19 is used to improve the friction between the pressing plate 18 and the casting body 2, and the second anti-skid pad 20 is used to improve the friction between the clamping plate 7 and the casting body 2, so as to achieve the purpose of improving the stability of the equipment.

[0030] With reference to Figure 2 , the two ends of the placing seat 1 are fixedly connected with L-shaped pieces 21, and one end of the two control handles 13 is rotatably connected with the L-shaped pieces 21. The L-shaped pieces 21 are used to facilitate the movement of the first toothed plate 10 away from the end of the L-shaped piece 21 when the control handle 13 is pressed.

[0031] With reference to Figure 1 , the four corners of the bottom end of the placing seat 1 are fixedly connected with support legs 22, and the bottom end of the four support legs 22 is fixedly connected with a bottom plate 23. The support legs 22 and the bottom plate 23 cooperate to support the equipment, so as to facilitate the work of the gas flow meter 4.

[0032] With reference to Figure 1 , the top end of the placing seat 1 is fixedly connected with a positioning piece 24 cooperating with the casting body 2. The positioning piece 24 is used to facilitate the placement of the casting body 2 at the designated position, so as to facilitate the detection of the casting body 2 and improve the work efficiency.

[0033] In summary, the working principle and working process of the generator cylinder casting pressure test detection device are as follows:

[0034] In use, first, the cast body 2 is placed on the placing seat 1, so that the blind hole is aligned with the first through hole, facilitating the detection of the cast body 2; the control handle 13 is pressed to drive the first toothed plate 10 to move downward, so that the first toothed plate 10 is disengaged from the second toothed plate 12, the first spring 9 pushes the sliding piece 6 to move, the sliding piece 6 drives the clamping plate 7 to move, so that both clamping plates 7 are tightly attached to the cast body 2, at this time, the second spring 11 pushes the first toothed plate 10 to move and reset, so that the first toothed plate 10 is engaged with the second toothed plate 12, so as to position the sliding piece 6 and the clamping plate 7, achieving the purpose of facilitating accurate positioning of the cast, avoiding shaking or deflection of the cast, and improving detection accuracy. When the clamping plate 7 clamps and fixes the cast body 2, the rotating handle 16 is rotated to drive the threaded rod 15 to rotate, the threaded rod 15 drives the threaded piece 17 and the pressing plate 18 to move, so that the pressing plate 18 presses and fixes the cast body 2, so that the bottom end of the cast body 2 is tightly attached to the placing seat 1, achieving the purpose of maintaining the air tightness between the cast body 2 and the placing seat 1; the first anti-skid pad 19 is used to increase the friction between the pressing plate 18 and the cast body 2, and the second anti-skid pad 20 is used to increase the friction between the clamping plate 7 and the cast body 2, so as to improve the stability of the equipment; the L-shaped piece 21 is used to facilitate the movement of the first toothed plate 10 away from one end of the L-shaped piece 21 when the control handle 13 is pressed, the supporting leg 22 cooperates with the bottom plate 23 to support the equipment, so that the gas flow meter 4 can work; the positioning piece 24 is used to facilitate the placement of the cast body 2 in a designated position, so as to facilitate the detection of the cast body 2, and improve the working efficiency.

[0035] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as limiting the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A device for testing a generator cylinder casting, comprising a placing seat (1), characterized in that: Also include the casting body (2), the casting body (2) is placed on the placement seat (1), the bottom end of the casting body (2) is provided with a blind hole, the top end of the placement seat (1) is provided with a containing groove, the containing groove is provided with a rubber pad (3) matched with the casting body (2), the rubber pad (3) is provided with a first through hole matched with the blind hole, the inner lower side wall of the containing groove is provided with a second through hole matched with the first through hole, the bottom end of the placement seat (1) is provided with a gas flow meter (4) matched with the second through hole, the top end of the placement seat (1) is provided with two matched control grooves, the inside of the two control grooves is provided with a limiting rod (5), the limiting rod (5) is slidably connected with a sliding piece (6), the top end of the sliding piece (6) penetrates the control groove and is connected with a clamping plate (7), the clamping plate (7) is provided with an inclined wing plate (8), the end of the two sliding pieces (6) away from each other is provided with a first spring (9), the other end of the first spring (9) is connected to the inner side wall of the control groove, the first tooth plate (10) is arranged in the two control grooves, a plurality of second springs (11) are arranged between the bottom end of the first tooth plate (10) and the inner side wall of the control groove, the bottom end of the two sliding pieces (6) is provided with a second tooth plate (12) matched with the first tooth plate (10), the inner side wall of the two control grooves is provided with a through hole, the end of the two first tooth plates (10) away from each other penetrates the through hole and is connected with a control handle (13).

2. The generator cylinder casting pressure testing device according to claim 1, characterized in that: The end of the two clamping plates (7) away from each other is fixedly connected with a fixed block (14) near the bottom end, the top end of the fixed block (14) is rotatably connected with a threaded rod (15), the top end of the threaded rod (15) is provided with a rotating handle (16), the threaded rod (15) is threadedly connected with a threaded piece (17), the end of the two threaded pieces (17) close to each other is fixedly connected with a pressing plate (18) near the top end.

3. A generator cylinder casting pressure testing device according to claim 2, characterized in that: The bottom end of the two pressing plates (18) is fixedly connected with a first anti-skid pad (19), the end of the two clamping plates (7) close to each other is fixedly connected with a second anti-skid pad (20).

4. The generator cylinder casting pressure testing device of claim 1, wherein: The two ends of the placement seat (1) are fixedly connected with an L-shaped piece (21), one end of the two control handles (13) is rotatably connected with the L-shaped piece (21).

5. The generator cylinder casting pressure testing device of claim 1, wherein: The bottom end of the placement seat (1) is fixedly connected with a support leg (22) at four corner positions, the bottom end of the four support legs (22) is fixedly connected with a bottom plate (23).

6. A generator cylinder casting pressure testing device according to claim 1, characterized in that: The top end of the placement seat (1) is fixedly connected with a positioning piece (24) matched with the casting body (2).

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