CN218270529U - Camshaft axial clearance detection device - Google Patents
Camshaft axial clearance detection device Download PDFInfo
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- CN218270529U CN218270529U CN202222862306.0U CN202222862306U CN218270529U CN 218270529 U CN218270529 U CN 218270529U CN 202222862306 U CN202222862306 U CN 202222862306U CN 218270529 U CN218270529 U CN 218270529U
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Abstract
The utility model discloses a camshaft axial clearance detection device, which comprises a platform, two pressing mechanisms, a supporting mechanism, a translational detection mechanism and a handle link mechanism, wherein the two pressing mechanisms are positioned on the upper surface of the platform and are distributed diagonally, the supporting mechanism is installed through the platform and vertically upwards plays a role in supporting and positioning, the handle link mechanism is arranged on the upper surface of the platform, and the output end of the handle link mechanism is connected with the translational detection mechanism; the translation detection mechanism comprises a slide rail fixed on the surface of the platform, a slide block matched with the slide rail, a driving block connected with the side wall of the slide block and penetrating through the platform downwards, a base fixed on the surface of the slide block and dial indicators distributed at two ends of the base, wherein the direction pointed by probes of the dial indicators is parallel to the direction of the slide rail.
Description
Technical Field
The utility model belongs to the technical field of detect, concretely relates to camshaft axial gap detection device.
Background
In the actual assembly process, the fit tightness between the camshaft and the bearing bush in the camshaft cover after the camshaft cover is installed on each engine needs to be detected, namely, the assembly error between the camshaft and the bearing bush in the camshaft cover is not in an allowable range; in addition, the axial clearance after the camshaft is assembled, namely the axial play directly influences the air tightness and smoothness of the reciprocating motion of the piston, the false quantity of the clutch is also influenced, and unnecessary vibration of the engine can be brought, so that the assembly clearance and the axial clearance need to be detected after the camshaft and the cylinder body are assembled.
The prior detection device is shown in figure 1, has the problems of unstable fixed support of a dial indicator head, inconvenient manual operation and inaccurate measurement,
measuring the axial clearance of the crankshaft by using a dial indicator:
(1) fixing a dial indicator with a magnetic base on a cylinder body in front of or behind the engine; (2) placing the rod part of the dial indicator in parallel with the central line of the camshaft, and adjusting the pointer; (3) the camshaft is pried back and forth, the reading of the dial indicator is observed, and the difference between the maximum value and the minimum value is the axial clearance of the camshaft.
The adjusting method comprises the following steps:
the axial clearance of the camshaft is generally 0.05-0.20 mm, if the axial clearance is too small, the machine parts can be expanded and clamped; the axial clearance is too large, axial play is easy to form, and the adjustment of the axial clearance is carried out by replacing or trimming the thrust bearing bush or the thrust washer.
SUMMERY OF THE UTILITY MODEL
To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a camshaft axial clearance detection device.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
a camshaft axial clearance detection device comprises a platform, two pressing mechanisms, a supporting mechanism, a translation detection mechanism and a handle link mechanism, wherein the two pressing mechanisms are positioned on the upper surface of the platform and are distributed diagonally, the supporting mechanism is installed through the platform and plays a supporting and positioning role vertically upwards, the translation detection mechanism is positioned on the upper surface of the platform, and the handle link mechanism is installed on the lower surface of the platform and is connected with the translation detection mechanism at the output end;
the translation detection mechanism comprises a sliding rail fixed on the surface of the platform, a sliding block matched with the sliding rail, a driving block connected with the side wall of the sliding block and penetrating through the platform downwards, a base fixed on the surface of the sliding block and dial indicators distributed at two ends of the base, wherein the direction pointed by a probe of each dial indicator is parallel to the direction of the sliding rail;
the handle link mechanism comprises two rocker bearing seats which are overlapped at intervals, a rotating shaft which is rotationally connected with the rocker bearing seats, a rocker which is fixedly connected with the outer end of the rotating shaft, a handle which is connected with the rocker and is in a vertical relation, a limiting plate which is connected with the bottom end of the rocker bearing seat on the outer side and is in a vertical relation, a limiting screw which is connected onto the rocker, a short connecting rod which is connected with the other end of the rotating shaft, a buffer connecting rod which is rotationally connected with the short connecting rod, a connecting rod outer sleeve which is sleeved on the outer ring of the buffer connecting rod and an outer sleeve support which is fixedly connected with the end part of the connecting rod outer sleeve, wherein the outer sleeve support is rotationally connected with the driving block.
Further inject, hold-down mechanism is including being the clamp and the clamp base that compress tightly that distribute from top to bottom, and such structural design, the clamp base makes and compresses tightly the clamp and is located a suitable height that compresses tightly, realizes the clamping function through compressing tightly the clamp.
Further, the support mechanism comprises a flat-head limit pin rod and a pin head limit pin rod, and the flat-head limit pin rod and the pin head limit pin rod are designed to be matched with different positioning support shapes.
Further inject, the amesdial cover is connected at the both ends of base, the amesdial is located amesdial cover inside, and such structural design protects the amesdial through amesdial cover.
The utility model has the advantages that: when detecting the clearance, the engine cylinder body is fixed a position and is fixed, does not have the possibility of rocking, provides stable basic condition for detecting, has improved the accuracy of testing result, and the amesdial is followed the slider and is kept away from or be close to the camshaft in addition, can effectually vacate the space and go up unloading, and the change of amesdial transverse position passes through handle link mechanism control, and during the detection, the amesdial is at direction of height automatic alignment camshaft, has simplified staff's operating procedure, the utility model discloses a camshaft axial clearance detection device makes the operation that the clearance detected more simple and standard, and it is more stable to detect basic condition, and the accuracy of testing result also obtains improving.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the figures;
FIG. 1 is a view of a prior art camshaft axial clearance inspection;
FIG. 2 is an axial view of an embodiment of the camshaft axial clearance detecting device of the present invention;
FIG. 3 is a front view of an embodiment of the axial clearance detecting device of the present invention;
FIG. 4 is a top view of an embodiment of a camshaft axial clearance detecting device according to the present invention;
FIG. 5 is a left side view of an embodiment of the camshaft axial gap detecting device of the present invention;
the main element symbols are as follows:
11. pressing the clamp; 12. a clamp base;
21. a flat-end limit pin rod; 22. the pin head limits the pin rod;
31. a rocker bearing block; 32. a rotating shaft; 33. a rocker; 34. a handle; 35. a limit screw; 36. a limiting plate; 37. a short connecting rod; 381. a buffer connecting rod; 382. a connecting rod outer sleeve; 39. a jacket support;
41. a slide rail; 42. a slider; 43. a base; 44. a dial gauge cover; 45. a dial indicator; 451. a probe; 46. the block is driven.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
As shown in fig. 2-5, the axial clearance detecting device for a camshaft of the present invention comprises a platform, two pressing mechanisms located on the upper surface of the platform and distributed diagonally, a supporting mechanism installed on the platform and vertically and upwardly supporting and positioning, a translation detecting mechanism located on the upper surface of the platform, and a handle link mechanism installed on the lower surface of the platform and having an output end connected with the translation detecting mechanism;
the translation detection mechanism comprises a sliding rail 41 fixed on the surface of the platform, a sliding block 42 matched with the sliding rail 41, a driving block 46 connected with the side wall of the sliding block 42 and penetrating through the platform downwards, a base 43 fixed on the surface of the sliding block 42 and dial indicators 45 distributed at two ends of the base 43, wherein the direction pointed by a probe 451 of each dial indicator 45 is parallel to the direction of the sliding rail 41;
the handle link mechanism comprises two rocker bearing seats 31 which are overlapped at intervals, a rotating shaft 32 which is rotatably connected with the rocker bearing seats 31, a rocker 33 which is fixedly connected at the outer end of the rotating shaft 32, a handle 34 which is connected with the rocker 33 and is in a vertical relation, a limiting plate 36 which is connected with the bottom end of the outer rocker bearing seat 31 and is in a vertical relation, a limiting screw 35 which is connected with the rocker 33, a short connecting rod 37 which is connected at the other end of the rotating shaft 32, a buffer connecting rod 381 which is rotatably connected with the short connecting rod 37, a connecting rod outer sleeve 382 which is sleeved on the outer ring of the buffer connecting rod 381, and an outer sleeve support 39 which is fixedly connected with the end part of the connecting rod outer sleeve 382, wherein the outer sleeve support 39 is rotatably connected with a driving block 46.
In the embodiment, the engine cylinder body is placed on the platform, the engine cylinder body is stably placed while being positioned by the supporting mechanism, the engine cylinder body is clamped by the pressing mechanism and is prevented from shaking, when in detection, a worker drives the translation detection mechanism to move through the handle link mechanism and reaches a detection position, the worker prizes the camshaft forwards and backwards along the axial direction and observes the reading of the dial indicator 45, and the difference between the maximum value and the minimum value is the axial clearance of the camshaft;
the action process of the handle link mechanism is as follows, a worker rotates the handle 34 to drive the rocker 33 and the rotating shaft 32 to rotate together, the rocker 33 is provided with the limiting screw 35, after the rocker 33 rotates for a certain angle, the limiting screw 35 interferes with the limiting plate 36, the rocker 33 is limited, the maximum rotating angle is determined, the translation detection mechanism moves to a detection position, subsequently, the short link 37 rotates together by taking the rotating shaft 32 as the center, the buffer link 381 is rotatably connected with the short link 37, the buffer link 381 swings along with the rotation of the short link 37, the link jacket 382 and the buffer link 381 move together and drive the jacket bracket 39 on the link jacket 382 to move together, the jacket bracket 39 is connected with the driving block 46, and finally, power is transmitted to the driving block 46;
the translational detection mechanism is operated in the following process, the driving block 46 is driven by the outer sleeve bracket 39 to move forwards or backwards along with the rotation direction of the handle 34, the driving block 46 drives the sliding block 42 to move on the sliding rail 41, the base 43 on the sliding block 42 and the dial indicator 45 move along with the movement, and when the probe 451 of the dial indicator 45 pushes the camshaft together, the detection position is reached;
because when detecting the clearance, the engine cylinder body is fixed a position and is fixed, does not have the possibility of rocking, for detecting providing stable basic condition, improved the accuracy of testing result, amesdial 45 follows slider 42 and keeps away from or be close to the camshaft in addition, can go out the space effectually and go up unloading, and the change of amesdial 45 transverse position is through handle link mechanism control, and during the detection, amesdial 45 is at direction of height automatic alignment camshaft, has simplified staff's operating procedure, the utility model discloses a camshaft axial clearance detection device makes the operation that the clearance detected more simple and standard, and it is more stable to detect basic condition, and the accuracy of testing result obtains the improvement.
Preferably, the pressing mechanism comprises a pressing clamp 11 and a clamp base 12 which are distributed up and down, and the clamp base 12 enables the pressing clamp 11 to be located at a proper pressing height, so that the clamping function is realized through the pressing clamp 11. In fact, other configurations of the hold-down mechanism are also specifically contemplated, as the case may be.
Preferably, the supporting mechanism comprises a flat-head limiting pin rod 21 and a pin head limiting pin rod 22, and the structural design is that the flat-head limiting pin rod 21 and the pin head limiting pin rod 22 are matched with different shapes of the positioning supports. In fact, other structural shapes of the support mechanism may be specifically considered according to specific situations.
Preferably, the dial gauge cover 44 is connected to both ends of the base 43, and the dial gauge 45 is located inside the dial gauge cover 44, so that the dial gauge 45 is protected by the dial gauge cover 44. In fact, other protection structures of the dial indicator 45 can be specifically considered according to specific situations.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (4)
1. A camshaft axial clearance detection device which characterized in that: the device comprises a platform, two pressing mechanisms which are positioned on the upper surface of the platform and distributed diagonally, a supporting mechanism which is installed through the platform and plays a role in supporting and positioning vertically upwards, a translation detection mechanism positioned on the upper surface of the platform, and a handle link mechanism which is installed on the lower surface of the platform and the output end of which is connected with the translation detection mechanism;
the translation detection mechanism comprises a sliding rail (41) fixed on the surface of the platform, a sliding block (42) matched with the sliding rail (41), a driving block (46) connected with the side wall of the sliding block (42) and penetrating through the platform downwards, a base (43) fixed on the surface of the sliding block (42) and dial indicators (45) distributed at two ends of the base (43), wherein the direction pointed by a probe (451) of each dial indicator (45) is parallel to the direction of the sliding rail (41);
the handle link mechanism comprises two rocker bearing seats (31) which are overlapped at intervals, a rotating shaft (32) which is connected with the rocker bearing seats (31) in a rotating mode, a rocker (33) which is fixedly connected to the outer end of the rotating shaft (32), a handle (34) which is connected with the rocker (33) and is in a vertical relation, a limiting plate (36) which is connected with the bottom end of the rocker bearing seat (31) on the outer side and is in a vertical relation, a limiting screw (35) which is connected to the rocker (33), a short connecting rod (37) which is connected to the other end of the rotating shaft (32), a buffer connecting rod (381) which is connected with the short connecting rod (37) in a rotating mode, a connecting rod outer sleeve (382) which is sleeved on the outer ring of the buffer connecting rod (381), and an outer sleeve support (39) which is fixedly connected with the end of the connecting rod outer sleeve (382), wherein the outer sleeve support (39) is connected with a driving block (46) in a rotating mode.
2. A camshaft axial gap detecting device as defined in claim 1, wherein: the pressing mechanism comprises a pressing clamp (11) and a clamp base (12) which are distributed up and down.
3. A camshaft axial gap detecting device as defined in claim 1, wherein: the supporting mechanism comprises a flat-head limiting pin rod (21) and a pin-head limiting pin rod (22).
4. A camshaft axial gap detecting device as defined in claim 1, wherein: the two ends of the base (43) are connected with a dial indicator cover (44), and the dial indicator (45) is located inside the dial indicator cover (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222862306.0U CN218270529U (en) | 2022-10-29 | 2022-10-29 | Camshaft axial clearance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222862306.0U CN218270529U (en) | 2022-10-29 | 2022-10-29 | Camshaft axial clearance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218270529U true CN218270529U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222862306.0U Active CN218270529U (en) | 2022-10-29 | 2022-10-29 | Camshaft axial clearance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218270529U (en) |
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2022
- 2022-10-29 CN CN202222862306.0U patent/CN218270529U/en active Active
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