Piston casting load limit testing device

Abstract

The utility model relates to the technical field of piston casting load testing, in particular to a piston casting load limit testing device which comprises a machine body, a hydraulic rod is fixedly installed on the top of the machine body, and a piston block is fixedly installed on the surface of the hydraulic rod. A handle is manually controlled to drive a rotating disc on the inner side of a control panel to slide on the surface of a fixing ring, when the rotating disc rotates, a sliding rod, a clamping rod, a clamping plate and a clamping block can be pulled to move towards the surface of a tested workpiece, the clamping block clamps the surface of an object to be fixed, and the clamping block clamps the object through adjustment. According to the piston casting load limit testing device, testing workpieces of different sizes can be fixed, the situation that when the piston casting load limit testing device is used, some piston castings of special specifications, non-standard sizes or unique shapes cannot be well fixed, the device needs to be modified again and even cannot be applied is prevented, and the clamping stability and adaptability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to piston casting load test technical field, concretely is a kind of piston casting load limit testing device. BACKGROUND

[0002] In the field of mechanical manufacturing, as one of the core components of key power equipment such as engine, the quality and performance of piston casting play a crucial role in the stable operation of the entire equipment. The load limit of piston casting is one of the key indicators to measure its quality and performance. By accurately testing the load limit, key evidence can be provided for the design optimization, production process improvement and quality control of piston casting, ensuring that it can reliably withstand various loads under actual working conditions and protecting the normal operation of mechanical equipment.

[0003] However, the existing piston casting load limit testing device is often designed with a fixed structure for standard specifications and conventional shapes of piston castings. When facing special specifications, non-standard sizes or unique shapes of piston castings, the fixing device is difficult to adapt to them, and these special test workpieces cannot be accurately installed on the test platform. Moreover, the stability of clamping is not sufficient, and during the loading process, the workpiece may loosen or shift due to insufficient fixation, requiring reinstallation of the device or even making it unsuitable for use, which makes it difficult to carry out subsequent load limit testing and reduces the stability and adaptability of clamping. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of piston casting load limit testing device, which solves the problem of fixing device being difficult to adapt to special specifications, non-standard sizes or unique shapes of piston castings and being unable to accurately install these special test workpieces on the test platform.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A piston casting load limit testing device includes a machine body, a hydraulic rod is fixedly installed on the top of the machine body, a piston block is fixedly installed on the surface of the hydraulic rod, and the piston block is slidingly connected to the surface of the machine body. It also includes a movable assembly for clamping test workpieces of different sizes, and a fixed assembly for improving the stability of clamped workpieces. The movable assembly includes a fixed ring fixedly installed at the bottom of the piston block, a rotating disc rotatingly connected inside the fixed ring, a sliding rod slidingly connected inside the rotating disc, a clamping rod fixedly installed on the outside of the sliding rod, the clamping rod penetrating through the fixed ring, a clamping plate fixedly installed on the surface of the clamping rod, a clamping block fixedly installed at the bottom of the clamping plate, and a fixed strip fixedly installed inside the clamping block.

[0007] Preferably, the control plate is fixedly installed on the surface of the rotating disc, and a handle is fixedly installed on the surface of the control plate.

[0008] Preferably, the fixing assembly comprises a clamping ring, which is fixedly installed on the surface of the piston block, and a positioning block is fixedly installed in the clamping ring.

[0009] Preferably, the control plate is internally penetrated by a movable rod, the movable rod is internally fixedly installed with a movable plate, the movable plate is fixedly installed with a plug rod at the bottom, and the plug rod is inserted into the inner side of the positioning block.

[0010] Preferably, the movable rod is fixedly installed with a fixing spring on the surface, and the fixing spring is fixedly installed on the top of the control plate.

[0011] Preferably, an arc-shaped groove is formed on the surface of the rotating disc, and a sliding groove is formed on the surface of the fixing ring.

[0012] Preferably, an annular groove is formed on the top of the clamping ring, and five positioning blocks are fixedly installed in the clamping ring.

[0013] By means of the above technical scheme, the piston casting load limit testing device is provided.

[0014] (1) The piston casting load limit testing device is provided.

[0015] (2) The piston casting load limit testing device is provided. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0017] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0018] Figure 2 This is a schematic diagram of the overall side view structure of this utility model;

[0019] Figure 3 This is a front view structural diagram of the movable component in this utility model;

[0020] Figure 4 This is a front view of the fixing component in this utility model;

[0021] Figure 5 This is a front view schematic diagram of the fixing ring structure in this utility model.

[0022] In the diagram: 1. Machine body; 2. Hydraulic rod; 3. Piston block; 4. Moving component; 41. Fixed ring; 42. Turntable; 43. Sliding rod; 44. Clamping rod; 45. Clamping plate; 46. Clamping block; 47. Fixing strip; 48. Control panel; 49. Handle; 5. Fixing component; 51. Snap ring; 52. Positioning block; 53. Moving rod; 54. Moving plate; 55. Insert rod; 56. Fixed spring; 420. Arc groove; 421. Slide groove; 510. Annular groove. Detailed Implementation

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

[0024] Example 1

[0025] A piston casting load limit testing device, such as Figures 1-3 As shown, the device includes a body 1, a hydraulic rod 2 fixedly mounted on the top of the body 1, a piston block 3 fixedly mounted on the surface of the hydraulic rod 2, and the piston block 3 slidably connected to the surface of the body 1; it also includes a movable component 4 for clamping test workpieces of different sizes; and a fixed component 5 for improving the stability of clamping the workpieces.

[0026] Firstly, the movable assembly 4 comprises: a fixed ring 41 fixedly installed at the bottom of the piston block 3, a rotating disc 42 rotatably connected inside the fixed ring 41, a sliding rod 43 slidably connected inside the rotating disc 42, a clamping rod 44 fixedly installed outside the sliding rod 43, the clamping rod 44 penetrating through the fixed ring 41, a clamping plate 45 fixedly installed on the surface of the clamping rod 44, a clamping block 46 fixedly installed at the bottom of the clamping plate 45, and a fixed strip 47 fixedly installed inside the clamping block 46. The fixed strip 47 inside the clamping block 46 can improve the friction between the clamping block 46 and the workpiece when the clamping block 46 clamps workpieces of different sizes and irregular shapes, thereby enhancing the clamping effect.

[0027] Secondly, the rotating disc 42 is fixedly installed with a control plate 48, and the control plate 48 is fixedly installed with a handle 49. The handle 49 can be manually controlled to drive the rotating disc 42 inside the control plate 48 to rotate inside the fixed ring 41.

[0028] In this embodiment, the handle 49 is manually controlled to drive the rotating disc 42 inside the control plate 48 to slide on the surface of the fixed ring 41. When the rotating disc 42 rotates, the sliding rod 43, the clamping rod 44, the clamping plate 45 and the clamping block 46 are pulled to move towards the surface of the test workpiece, so that the clamping block 46 is clamped and fixed on the surface of the object. The clamping block 46 is clamped by adjustment, so that test workpieces of different sizes can be fixed. When the piston casting load limit test device is used, some special specifications, non-standard sizes or unique shapes of piston castings cannot be well fixed and need to be reconfigured or even cannot be applied, thereby improving the stability and adaptability of clamping.

[0029] Embodiment 2

[0030] As shown in Figures 4-5 , the fixed assembly 5 comprises: a clamping ring 51 fixedly installed on the surface of the piston block 3, and a positioning block 52 fixedly installed inside the clamping ring 51.

[0031] Further, the control plate 48 is penetrated by a movable rod 53, the movable rod 53 is fixedly installed with a movable plate 54 inside, the movable plate 54 is fixedly installed with a plug rod 55 at the bottom, the plug rod 55 is inserted into the inside of the positioning block 52, the movable rod 53 is fixedly installed with a fixed spring 56 on the surface, and the fixed spring 56 is fixedly installed on the top of the control plate 48. When the movable rod 53 is loosened and pulled, the effect of resetting can be achieved by the fixed spring 56 arranged on the surface of the movable rod 53.

[0032] Finally, the rotating disc 42 is provided with an arc-shaped groove 420 on the surface, so that the sliding rod 43 can slide in the inner side of the rotating disc 42 when the rotating disc 42 rotates. The fixing ring 41 is provided with a sliding groove 421 on the surface, so that the control plate 48 can slide in the inner side of the fixing ring 41 by controlling the handle 49. The clamping ring 51 is provided with an annular groove 510 on the top, so that the positioning block 52 can be placed conveniently. Five positioning blocks 52 are arranged in the inner side of the clamping ring 51, and the five positioning blocks 52 can fix the insertion rod 55 at different positions.

[0033] In this embodiment, the fixing assembly 5 is arranged, the movable plate 54 is pulled upward manually, the movable rod 53 and the insertion rod 55 are moved upward, the positioning block 52 is released from the insertion rod 55 when the insertion rod 55 is moved upward, and the movable plate 54 and the insertion rod 55 are reset after the adjustment is completed, so that the insertion rod 55 is inserted in the inner side of the positioning block 52 to be limited. When the test workpiece is fixed, the control plate 48 and the handle 49 are not moved accidentally, the position of the clamping block 46 is not changed, the workpiece is not fixed firmly or the fixed position is deviated, the stability and the fixing effect of the workpiece in the test process are improved.

[0034] The utility model discloses a piston casting load limit testing device can be through the test workpiece is placed on the surface of the body 1 when using, through starting hydraulic rod 2 to drive piston block 3 on the surface of the body 1 slide down, when piston block 3 slide down will drive movable assembly 4 and fixed assembly 5 slide down, and when needing to hold the test workpiece of different size, can through manual control handle 49 to drive control board 48 on the surface of fixed ring 41 slide, when control board 48 slide will drive turntable 42 rotate in the inside of fixed ring 41, when turntable 42 rotate will through the arc slot 420 of its surface and set up slide rod 43 to the center point of turntable 42 and move, and when slide rod 43 slide will drive the slide of clamping rod 44, when clamping rod 44 slide will drive the slide direction of clamp block 46 and clamping rod 44 and move, so that clamp block 46 clamping is fixed on the surface of object, and in the clamping process can through fixed strip 47 to improve the friction of the clamping of different size and irregular workpiece, to strengthen the stability of clamping, clamp block 46 through the adjustment and clamping, can fix the test workpiece of different size, to prevent piston casting load limit testing device when using, for some special specifications, non-standard size or shape is more unique piston casting, possibly can not be fixed, installed and applied load well, lead to can not effectively test its load limit, need to retool device even can not be applied, improve the stability and adaptability of clamping.

[0035] When needing to manually operate control board 48 and handle 49, first manually pull up movable plate 54 and drive movable rod 53 to move up, when movable plate 54 moves up, will also drive plug rod 55 to move up, when plug rod 55 moves up, will make positioning block 52 remove the limitation of plug rod 55, and when adjusting, manually release the pull of movable plate 54, so that movable rod 53 resets under the action of fixed spring 56, and drive movable plate 54 and plug rod 55 reset, so that plug rod 55 reinserts in the inside of positioning block 52 and is limited, prevent when fixing the test workpiece, the position of clamp block 46 will change after adjusting control board 48 and handle 49 accidentally move, lead to the workpiece is not firm or fixed position deviation phenomenon, improve the stability and fixed effect of workpiece in the testing process.

[0036] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] While the embodiments of the present application have been illustrated 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 spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A piston casting load limit testing device comprising a body (1) characterised in that: The top of the machine body (1) is fixedly installed with a hydraulic rod (2), the surface of the hydraulic rod (2) is fixedly installed with a piston block (3), and the piston block (3) is slidably connected to the surface of the machine body (1); It also includes a movable assembly (4) for clamping test workpieces of different sizes; A fixed assembly (5) is used to improve the stability of the clamped workpiece.

2. A piston casting load limit test apparatus as defined in claim 1 wherein: The movable assembly (4) comprises a fixed ring (41) fixedly installed at the bottom of the piston block (3), a rotating disc (42) rotatably connected inside the fixed ring (41), a sliding rod (43) slidably connected inside the rotating disc (42), a clamping rod (44) fixedly installed outside the sliding rod (43), the clamping rod (44) penetrating through the fixed ring (41), a clamping plate (45) fixedly installed on the surface of the clamping rod (44), a clamping block (46) fixedly installed at the bottom of the clamping plate (45), and a fixed strip (47) fixedly installed inside the clamping block (46).

3. A piston casting load limit test apparatus as defined in claim 2 wherein: The surface of the rotating disc (42) is fixedly installed with a control plate (48), and the surface of the control plate (48) is fixedly installed with a handle (49).

4. A piston casting load limit testing apparatus as defined in claim 1 wherein: The fixed assembly (5) comprises a clamping ring (51) fixedly installed on the surface of the piston block (3), and a positioning block (52) fixedly installed inside the clamping ring (51).

5. A piston casting load limit testing apparatus as defined in claim 3 wherein: The inside of the control plate (48) penetrates an active rod (53), the inside of the active rod (53) is fixedly installed with an active plate (54), the bottom of the active plate (54) is fixedly installed with an insertion rod (55), and the insertion rod (55) is inserted into the inside of the positioning block (52).

6. A piston casting load limit testing apparatus as defined in claim 5 wherein: The surface of the active rod (53) is fixedly installed with a fixed spring (56), and the fixed spring (56) is fixedly installed at the top of the control plate (48).

7. A piston casting load limit testing apparatus as defined in claim 2 wherein: The surface of the rotating disc (42) is provided with an arc-shaped groove (420), and the surface of the fixed ring (41) is provided with a sliding groove (421).

8. A piston casting load limit testing apparatus as defined in claim 4 wherein: The top of the clamping ring (51) is provided with an annular groove (510), the positioning block (52) is provided with five, and the five positioning blocks (52) are fixedly installed inside the clamping ring (51).

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