CN217878264U - Falling ball experiment tool - Google Patents

Abstract

The utility model discloses a falling ball experimental facilities relates to engine shroud and detects technical field, and wherein this instrument includes: a tool floor; the ball falling assembly is connected with the tool bottom plate in a sliding manner; the ball falling assembly comprises a balancing weight, a positioning pin at the rear end of the balancing weight is correspondingly inserted into a sliding groove in the tool bottom plate, and a ball pin at the bottom of the balancing weight is used for simulating a ball body. A falling ball laboratory tool owing to adopted spout and locating pin cooperation for the ball round pin slides from top to bottom along the spout, so, effectively solved current engine shroud falling ball and examined the utensil when using, detect the poor technical problem of stability, and then realized stability and accuracy that the ball round pin detected, make the ball round pin when detecting, the skew can't appear in the position.

Description

Falling ball experiment tool

Technical Field

The utility model relates to an engine shroud detects technical field, in particular to falling ball experimental facilities.

Background

Some large machines, such as wheel loaders, off-highway trucks, excavators, and other earth moving machines, include an engine to power the travel and other operations of the machine. Because these machines often operate in dust or debris laden environments, the engine may be sealed from the environment to protect the engine from damage. Typically, the engine is located in a hood known as an engine compartment. Typically through a pivoting hood into the engine compartment.

Currently, the check tool for engine covers includes: the engine hood outer plate detection tool, the engine hood inner plate detection tool, the engine hood edge covering detection tool and the engine hood ball falling detection tool. When the existing engine hood falling ball detection tool is used, the small ball is pulled to a certain height through manpower and then loosened, so that the small ball falls off under the action of self gravity and falls onto the engine hood cover, and the performance of the engine hood continues to be detected.

However, in the implementation process of the above technical scheme, at least the following technical problems are found:

1. poor stability during detection: when the existing engine hood falling ball detection tool is used, the height of a small ball is manually adjusted, then the small ball falls under the action of self gravity, but the small ball is easily influenced by external factors when falling, so that the position of the small ball is deviated when falling, and the accuracy of the falling of the small ball can be ensured only by multiple operations, so that a great deal of time and energy are often spent when detecting the engine hood, and meanwhile, the detection result is high in contingency, so that the detection result does not have public confidence;

2. the workpiece is inconvenient to fix: the existing engine hood falling ball detection tool is used, a workpiece to be detected is placed on a detection table, and then falling ball detection is carried out, but when a small ball is impacted, impact can be caused on the workpiece, the spatial position is deviated, so that the position of the workpiece needs to be readjusted when the workpiece is detected next time, the workpiece is kept the same as the position when the workpiece is detected last time, the workpiece is adjusted manually by experience, the uncertainty is great, the positions of two sides of the workpiece are different, the detection error occurs, and therefore the falling ball experimental tool is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a falling ball experimental apparatus solves current engine shroud falling ball and examines utensil when using, detects the technical problem that poor stability and work piece are fixed inconvenient.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a falling ball experiment tool comprises a tool bottom plate for supporting a workpiece and a falling ball assembly for simulating falling of a falling ball, wherein the falling ball assembly slides up and down along the tool bottom plate so as to impact the workpiece on the tool bottom plate;

the tool bottom plate is convenient for placing the workpiece to be detected and provides supporting force for the bottom of the workpiece to be detected;

the ball falling component is used for simulating ball falling to impact a workpiece and is connected with the tool bottom plate in a sliding manner (sliding up and down);

wherein, the ball subassembly that falls contains the balancing weight (for the gravity that the ball round pin provided the whereabouts), and the locating pin of balancing weight rear end corresponds with the spout on the instrument bottom plate and pegs graft to position when the restriction ball round pin whereabouts prevents its skew etc. from appearing, the ball round pin of balancing weight bottom is used for simulating spheroid striking work piece.

Preferably, the tool bottom plate contains the base (is used for supporting the tool bottom plate), and the top of base installs the lateral wall, and the lateral wall is laminated with the balancing weight for the balancing weight slides from top to bottom along the lateral wall, thereby strikes the workpiece surface.

Preferably, the sliding groove is formed in the side wall and extends up and down along the outer wall of the side wall, so that the ball pin can only slide up and down.

Preferably, the slot has been seted up at the top of base, and the slot corresponds from top to bottom with the ball round pin of balancing weight bottom, when the ball round pin does not use, receive and releases the ball round pin, prevents that the mistake from touching or warping.

Preferably, a fixing clamp is mounted on the top of the tool bottom plate and used for fixing the workpiece to be detected, so that the workpiece is fixed between the base and the fixing clamp.

Preferably, the fixing clamp comprises a limiting piece for pressing the workpiece to be detected, and two ends of the limiting piece are connected with the tool base plate through positioning bolts, so that the limiting piece is connected with the base together, as shown in fig. 1.

(III) advantageous effects

1. Due to the fact that the sliding groove is matched with the positioning pin, the ball pin slides up and down along the sliding groove, the technical problem that when the existing engine hood falling ball detection tool is used, the detection stability is poor is effectively solved, the stability and the accuracy of the detection of the ball pin are achieved, and the position of the ball pin cannot deviate when the ball pin is detected.

2. Because the fixing clamp is adopted to fix the workpiece to be detected, the technical problem that the workpiece is inconvenient to fix when the existing engine hood falling ball detection tool is used is effectively solved, and then the workpiece is detected for the same position for multiple times, and repeated detection is convenient to carry out.

Drawings

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is an exploded view of the overall structure in an embodiment of the present invention;

fig. 3 is a bottom structure diagram of the counterweight block according to the embodiment of the present invention.

Illustration of the drawings: 1. a tool floor; 11. a base; 12. a side wall; 2. a ball drop assembly; 21. a balancing weight; 22. positioning pins; 23. a ball pin; 24. a chute; 3. fixing a clamp; 31. a limiting sheet; 32. and (6) positioning the bolt.

Detailed Description

The embodiment of the application solves the technical problems that an existing engine hood falling ball detection tool is poor in detection stability and inconvenient in workpiece fixing when in use, and due to the fact that the sliding groove and the positioning pin are matched when the engine hood falling ball detection tool is used, the ball pin slides up and down along the sliding groove, the stability and the accuracy of the ball pin detection are achieved, and the position of the ball pin cannot deviate when in detection. Because the fixing clamp is adopted to fix the workpiece to be detected, the same position of the workpiece is detected for multiple times, and repeated detection is convenient

Example 1

Technical scheme in the embodiment of this application detects the technical problem of poor stability for solving above-mentioned current utensil is examined to engine bonnet falling ball when using, and the general thinking is as follows:

aiming at the problems in the prior art, the utility model provides a falling ball experiment tool, which comprises a tool bottom plate 1 for supporting a workpiece and a falling ball component 2 for simulating falling of the falling ball, wherein the falling ball component 2 slides up and down along the tool bottom plate 1, so as to impact the workpiece on the tool bottom plate 1;

the tool bottom plate 1 is convenient for placing the workpiece to be detected and provides supporting force for the bottom of the workpiece to be detected;

the falling ball assembly 2 is used for simulating falling balls to impact a workpiece and is connected with the tool bottom plate 1 in a sliding mode (sliding up and down);

wherein, ball assembly 2 contains balancing weight 21 (for the gravity that spherical pin 23 provided the whereabouts), and the locating pin 22 of balancing weight 21 rear end corresponds with spout 24 on the tool bottom plate 1 and pegs graft to position when restriction spherical pin 23 whereabouts prevents its skew etc. and spherical pin 23 of balancing weight 21 bottom is used for simulating the spheroid and strikes the work piece.

In some examples, the tool base plate 1 includes a base 11 (for supporting the tool base plate 1), and a side wall 12 is installed on the top of the base 11, and the side wall 12 fits the weight 21, so that the weight 21 slides up and down along the side wall 12 to impact the surface of the workpiece. The slide groove 24 is provided on the side wall 12 and extends up and down along the outer wall of the side wall 12 so that the ball pin 23 can only slide up and down.

In some examples, the top of the base 11 is provided with a slot, the slot vertically corresponds to the ball pin 23 at the bottom of the counterweight 21, and when the ball pin 23 is not used, the ball pin 23 is retracted, so that the occurrence of mistaken touch or deformation is prevented.

During the use, will wait to detect the work piece and place base 11 on earlier, later with balancing weight 21 upwards draw (make it along spout 24 rebound), balancing weight 21 rises to move the height (measure with the ruler) after, loosen balancing weight 21, balancing weight 21 drives 23 downshifts of the ball round pin 23 of its bottom (under the effect of gravity) this moment, because locating pin 22 and the spout 24 grafting of balancing weight 21 rear end, consequently when balancing weight 21 whereabouts, along spout 24 downshifts, thereby strike the work piece, 23 simulation bobbles of ball round pin strike the instrument, this process, the position and the high all controllable of 23 whereabouts of ball round pin.

Example 2

On the basis of embodiment 1, this application embodiment is that current engine bonnet falls the ball and examines utensil when using, the fixed inconvenient technical problem of work piece, and the general thinking is as follows:

the top of the tool base plate 1 is mounted with a fixing jig 3 for fixing a workpiece to be detected so that the workpiece is fixed between the base 11 and the fixing jig 3.

In some examples, the fixing jig 3 includes a stopper piece 31 for pressing the workpiece to be detected, and both ends of the stopper piece 31 are connected to the tool base plate 1 by positioning bolts 32, so that the stopper piece 31 is connected to the base 11, as shown in fig. 1.

When the thickness of the workpiece is low, the positioning bolt 32 is firstly unscrewed, so that the limiting piece 31 can slide up and down along the positioning bolt 32, then the workpiece is inserted into the gap between the limiting piece 31 and the base 11, and finally the positioning bolt 32 is rotated, so that the limiting piece 31 is pressed outside the workpiece, and the workpiece is fixed.

When the thickness of the workpiece is thicker, the positioning bolt 32 is firstly loosened to form the structure shown in fig. 2, then the workpiece is inserted into the gap between the limiting piece 31 and the base 11, and finally the positioning bolt 32 is rotated to connect the limiting piece 31 and the base 11 together and press the outer part of the workpiece, so that the workpiece is fixed.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are intended to be within the scope of the present invention.

Claims (6)

1. A ball drop test tool, comprising:

a tool base plate (1);

the ball falling assembly (2) is connected with the tool bottom plate (1) in a sliding manner;

the ball falling assembly (2) comprises a balancing weight (21), and a positioning pin (22) at the rear end of the balancing weight (21) is correspondingly inserted into a sliding groove (24) in the tool bottom plate (1);

and the spherical pin (23) is arranged at the bottom of the balancing weight (21) and used for simulating a sphere.

2. A ball drop test tool as claimed in claim 1, wherein: the tool bottom plate (1) comprises a base (11), a side wall (12) is installed at the top of the base (11), and the side wall (12) is attached to a balancing weight (21).

3. A ball drop test tool as claimed in claim 2, wherein: the sliding groove (24) is arranged on the side wall (12) and extends up and down along the outer wall of the side wall (12).

4. A ball drop test tool as claimed in claim 2, wherein: the top of the base (11) is provided with a slot, and the slot corresponds to the spherical pin (23) at the bottom of the balancing weight (21) up and down.

5. A ball drop test tool as claimed in claim 1, wherein: and the top of the tool bottom plate (1) is provided with a fixing clamp (3) for fixing a workpiece to be detected.

6. A ball drop test tool as claimed in claim 5, wherein: the fixing clamp (3) comprises a limiting piece (31), and two ends of the limiting piece (31) are connected with the tool bottom plate (1) through positioning bolts (32).

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