CN220582203U - Transmission shaft protection device with adjustable length and diameter - Google Patents

Abstract

The utility model discloses a transmission shaft protection device with adjustable length and diameter, which comprises: the protective shell assembly comprises an upper protective shell and a lower protective shell matched with the upper protective shell, and the upper protective shell and the lower protective shell are detachably connected to form a protective shell assembly with two through ends; the extension sleeve assembly is connected in the protective shell assembly in a telescopic nested manner; the transmission shaft clamping assembly comprises an upper clamping plate and a lower clamping plate which are arranged in the protective shell assembly, the upper clamping plate and the lower clamping plate are respectively connected with the upper protective shell and the lower protective shell in a lifting manner, the upper clamping plate and the lower clamping plate are opposite to each other, and transmission shaft clamping grooves are respectively formed in the bottom of the upper clamping plate and the top of the lower clamping plate. The utility model aims to solve the problems that the test cost is increased and the storage occupied area of the transmission shaft protection device is large because the transmission shaft protection device cannot adapt to various types of transmission shafts.

Description

Transmission shaft protection device with adjustable length and diameter

Technical Field

The utility model belongs to the technical field of protection of transmission shafts in test and test, and particularly relates to a transmission shaft protection device with adjustable length and diameter.

Background

In the transmission sample test process, the transmission shaft protective cover plays a role in safety protection, and safety accidents caused by breakage or falling of the transmission shaft in the test process are prevented. In the sample installation process, transmission shafts with different torques need to be selected because of the need of matching different types of transmissions.

At present, when different types of transmission shafts are tested, the transmission shaft protection devices which are correspondingly matched with the transmission shafts are required to be manufactured, and one transmission shaft protection device can only be suitable for one type of transmission shaft, so that the test cost is increased, and the storage occupied area of the transmission shaft protection device is large.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a transmission shaft protection device with adjustable length and diameter, which aims to solve the problems that the transmission shaft protection device cannot adapt to various types of transmission shafts, so that the test cost is increased and the storage occupied area of the transmission shaft protection device is large.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a transmission shaft protection device with adjustable length and diameter, comprising:

the protective housing assembly comprises an upper protective housing and a lower protective housing matched with the upper protective housing, and the upper protective housing and the lower protective housing are detachably connected to form the protective housing assembly with two through ends;

the extension sleeve assembly is connected in the protective shell assembly in a telescopic nested manner;

the transmission shaft clamping assembly comprises an upper clamping plate and a lower clamping plate which are arranged in the protective shell assembly, the upper clamping plate and the lower clamping plate are respectively connected with the upper protective shell and the lower protective shell in a lifting mode, the upper clamping plate and the lower clamping plate are opposite to each other, and transmission shaft clamping grooves are respectively formed in the bottom of the upper clamping plate and the top of the lower clamping plate.

Further, a first strip-shaped hole is formed in the top of the upper protective shell and the bottom of the lower protective shell;

the lengthening sleeve assembly comprises an upper lengthening sleeve and a lower lengthening sleeve matched with the upper lengthening sleeve, and second strip-shaped holes are formed in the top of the upper lengthening sleeve and the bottom of the lower lengthening sleeve;

the upper protective shell is connected with the upper lengthening sleeve through a screw nut connecting piece penetrating through the first strip-shaped hole and the second strip-shaped hole; the lower protective housing with upper and lower extension cover is connected through wearing to establish the screw nut connecting piece in first bar hole and second bar downthehole.

Further, the top of the upper clamping plate is connected with the lower end of the screw rod penetrating through the screw rod nut connecting piece of the upper protective shell, and the bottom of the lower clamping plate is connected with the upper end of the screw rod penetrating through the screw rod nut connecting piece of the lower protective shell.

Further, along the length direction of the upper protective shell and the lower protective shell, a plurality of first strip-shaped holes are formed at intervals at the top of the upper protective shell and the bottom of the lower protective shell;

and a plurality of second strip-shaped holes are formed at intervals along the length direction of the upper extension sleeve and the lower extension sleeve at the top of the upper extension sleeve and the bottom of the lower extension sleeve.

Further, the transmission shaft protection device further comprises a supporting seat, and the top of the supporting seat is connected with the lower protection shell.

Further, the bottom of the supporting seat is fixed on the ground by adopting foundation bolts.

Further, the upper protective housing is hinged with one side of the lower protective housing, and a handle is arranged on the other side of the upper protective housing.

Further, the transmission shaft clamping groove is a V-shaped groove.

Compared with the prior art, the utility model has at least the following beneficial effects:

according to the transmission shaft protection device with adjustable length and diameter, the upper protection shell and the lower protection shell are detachably connected to form the protection shell assembly with two through ends, the extension length of the extension sleeve assembly in the protection shell assembly is adjusted, the transmission shaft protection device can adapt to transmission shafts with different lengths, and the transmission shafts with different diameters can be adapted by adjusting the lifting of the upper clamping plate and the lower clamping plate. In summary, the utility model has simple operation, the diameter of the protection device is adjusted through the transmission shaft clamping assembly, the length of the protection device is adjusted through the lengthening sleeve assembly, the protection device can be independently installed and selected according to different lengths and diameters of the transmission shafts, the operation is reliable, the requirements of matching different types of transmission shafts are met through adjusting the lengths and the diameters of the transmission shaft protection devices, the safety protection effect is achieved, the test cost is effectively reduced, meanwhile, the structure is compact, the occupied area is small, and the problem of large occupied area when the transmission shaft protection devices with a plurality of traditional transmission shafts are stored is solved.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of a length and diameter adjustable drive shaft protection device of the present utility model;

FIG. 2 is a front view of a length and diameter adjustable drive shaft protector according to the present utility model;

FIG. 3 is an isometric view of a length-adjustable diameter drive shaft protector according to the present utility model;

fig. 4 is a front view of a transmission shaft protector with adjustable length and diameter according to the present utility model after adjusting the diameter.

In the figure: 1-a protective shell assembly; 100-upper protective shell; 101-a lower protective shell; 102-a first bar-shaped hole; 103-handle; 2-an extension sleeve assembly; 200-adding a long sleeve; 201-lower lengthening sleeve; 202-a second bar-shaped hole; 3-a drive shaft clamping assembly; 300-upper clamping plate; 301-lower clamping plate; 302-a drive shaft clamping groove; 4-a screw nut connector; 5-supporting seat.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, a transmission shaft protection device with adjustable length and diameter according to an embodiment of the present utility model includes a protection shell assembly 1, an extension sleeve assembly 2, and a transmission shaft clamping assembly 3, where the protection shell assembly 1 is used for protecting a transmission shaft penetrating through the protection shell assembly, the extension sleeve assembly 2 is used for extending the length of the protection shell assembly 1, and after extending, the extension sleeve assembly also plays a role in protecting the transmission shaft penetrating through the protection shell assembly, and the transmission shaft clamping assembly 3 is used for clamping and fixing the transmission shaft.

In this embodiment, the assembly connection relationship of the protective housing assembly 1, the extension sleeve assembly 2 and the transmission shaft clamping assembly 3 may be as follows:

as shown in fig. 1 and fig. 2, the protective housing assembly 1 includes an upper protective housing 100 and a lower protective housing 101 matched with the upper protective housing 100, the upper protective housing 100 and the lower protective housing 101 are detachably connected to form a protective housing assembly 1 with two ends being penetrated, and the upper protective housing 100 and the lower protective housing 101 are both U-shaped housings, and the two notches are opposite to each other and connected to form the protective housing assembly 1.

In this embodiment, the extension sleeve assembly 2 is telescopically connected in the protection shell assembly 1, and the extension of the extension sleeve assembly 2 is adjusted according to the length of the transmission shaft, as shown in fig. 1 and 3, when the length of the protection shell assembly 1 is insufficient to protect the transmission shaft, that is, when the length of the transmission shaft is greater than the length of the protection shell assembly 1, the extension sleeve assembly 2 is adjusted to extend outwards, so that the defect of the length of the protection shell assembly 1 is overcome.

As shown in fig. 1 and 2, the transmission shaft clamping assembly 3 includes an upper clamping plate 300 and a lower clamping plate 301 disposed in the protective housing assembly 1, the upper clamping plate 300 and the lower clamping plate 301 are respectively connected with the upper protective housing 100 and the lower protective housing 101 in a lifting manner, the upper clamping plate 300 and the lower clamping plate 301 are disposed opposite to each other, and transmission shaft clamping grooves 302 are respectively formed in the bottom of the upper clamping plate 300 and the top of the lower clamping plate 301. As shown in fig. 2 and 4, the lifting of the upper clamping plate 300 and the lower clamping plate 301 is adjusted according to the diameter of the transmission shaft, and when the diameter of the transmission shaft is changed, the upper clamping plate 300 and the lower clamping plate 301 can be controlled to be close to or far away from each other, so as to adapt to the transmission shafts with different diameters.

It should be noted that, multiple sets of the transmission shaft clamping assemblies 3 may be installed in the protective housing assembly 1 at intervals, for example, the transmission shaft clamping assemblies 3 are installed in positions near both ends and in intermediate positions in the protective housing assembly 1, respectively.

Preferably, the bottom of the lower protective housing 101 is also connected with a supporting seat 5, the top of the supporting seat 5 is connected with the lower protective housing 101, and the bottom of the supporting seat 5 is connected with the ground through foundation bolts, so that the stable reliability of the transmission shaft protection device in the use process is ensured.

Preferably, the transmission shaft clamping groove 302 is a V-shaped groove, and the transmission shaft is clamped and fixed by the cooperation of the V-shaped grooves on the upper clamping plate 300 and the lower clamping plate 301.

On the basis of the above embodiment, as a more preferred embodiment, as shown in fig. 1 and 2, the extension sleeve assembly 2 includes an upper extension sleeve 200 and a lower extension sleeve 201 matched with the upper extension sleeve 200, and the upper extension sleeve 200 and the lower extension sleeve 201 are both U-shaped sleeves, and the notches of the upper extension sleeve 200 and the lower extension sleeve 201 are opposite to each other to form the extension sleeve assembly 2, and it should be noted that in this embodiment, the upper extension sleeve 200 and the lower extension sleeve 201 are not connected and only need to be opposite to each other.

As shown in fig. 1 and 3, the top of the upper protective case 100 and the bottom of the lower protective case 101 are provided with first bar holes 102, and the top of the upper and lower jackets 200 and 201 are provided with second bar holes 202. The upper protective shell 100 is connected with the upper extension sleeve 200 through screw nut connectors penetrating through the first strip-shaped hole 102 and the second strip-shaped hole 202, specifically, after the screw of the screw nut connector 4 penetrates through the first strip-shaped hole 102 and the second strip-shaped hole 202, the screw is matched with the screw by utilizing the nut positioned above the upper protective shell 100 and the nut positioned below the upper extension sleeve 200, so that the upper protective shell 100 and the upper extension sleeve 200 are connected, when the extension or retraction of the upper extension sleeve 200 needs to be adjusted, only the upper nut and the lower nut need to be unscrewed, the upper extension sleeve 200 moves, and then the upper nut and the lower nut need to be screwed.

Similarly, the lower protective shell 101 is connected with the upper and lower extension sleeve 201 through the screw nut connecting piece 4 penetrating through the first strip-shaped hole 102 and the second strip-shaped hole 202, after the screw of the screw nut connecting piece 4 penetrates through the first strip-shaped hole 102 and the second strip-shaped hole 202, the screw is matched with the screw by utilizing the nut positioned below the lower protective shell 101 and the nut positioned above the lower extension sleeve 201, so that the connection between the lower protective shell 101 and the lower extension sleeve 201 is realized, and when the extension or retraction of the lower extension sleeve 201 needs to be regulated, only the upper and lower nuts need to be unscrewed, and after the lower extension sleeve 201 moves, the upper and lower nuts need to be screwed.

In this embodiment, the nut of the screw nut connector 4 is a hexagonal flange face nut.

On the basis of the above embodiment, as a more preferable embodiment, as shown in fig. 2 and 4, the top of the upper clamping plate 300 is connected with the lower end of the screw rod passing through the screw rod nut connector 4 of the upper protective housing 100, when the upper clamping plate 300 needs to be moved downwards, only the nut above the upper protective housing 100 needs to be unscrewed, the upper clamping plate 300 is moved to a proper position, and then the nut above the upper protective housing 100 and the nut below the upper extension sleeve 200 need to be screwed; and vice versa. Similarly, the bottom of the lower clamping plate 301 is connected with the upper end of a screw rod penetrating through the screw rod nut connecting piece 4 of the lower protective shell 101, when the lower clamping plate 301 needs to be moved downwards, only the nut below the protective shell 101 needs to be unscrewed, the lower clamping plate 301 is moved to a proper position, and then the nut below the lower protective shell 101 and the nut above the lower lengthening sleeve 201 are screwed; and vice versa.

For example, the top of the upper clamping plate 300 is also in threaded connection with the lower end of the screw nut connector 4, and the bottom of the lower clamping plate 301 is also in threaded connection with the upper end of the screw nut connector 4.

In a preferred embodiment, as shown in fig. 1 and 3, a plurality of first bar holes 102 are formed along the length direction of the upper and lower protective cases 100 and 101 at intervals between the top of the upper protective case 100 and the bottom of the lower protective case 101, and a plurality of second bar holes 202 are formed along the length direction of the upper and lower extension cases 200 and 201 at intervals between the top of the upper and lower extension cases 200 and 201, so that the adjustment of the telescopic length of the extension case assembly 2 can be more flexible.

Preferably, as shown in connection with fig. 3, the upper protective case 100 is hinged to one side of the lower protective case 101, and a handle 103 is provided on the other side of the upper protective case 100, so that the upper protective case 100 can be conveniently opened and closed by the operation. Specifically, the upper protective case 100 is opened, the transmission shaft is put in, the upper protective case 100 is closed again, and the upper protective case 100 and the lower protective case 101 are connected together by bolts.

When the length and diameter adjustable transmission shaft protection device of the above embodiment is used for transmission shaft protection, the following implementation steps are performed in combination with the descriptions of fig. 1 and 3 when the length needs to be adjusted:

(1) Loosening all hexagonal flange face nuts of the upper protective shell;

(2) Lengthening or shortening the upper lengthening sleeve, and adjusting to a proper position;

(3) Then tightening all hexagonal flange face nuts of the upper protective shell, and finishing the length adjustment of the upper lengthening sleeve of the upper protective shell;

(4) The lower lengthening sleeve of the lower protective shell is adjusted in the same way as the upper lengthening sleeve of the upper protective shell;

(5) Before the length is adjusted, the length-adjusted transmission shaft protection device is shown in fig. 1, and after the length is adjusted, the transmission shaft protection device is shown in fig. 3.

When diameter adjustment is required, the steps are performed as follows, in conjunction with the illustrations of fig. 2 and 4:

(1) Loosening nuts on the hexagonal flange faces at the upper end and the lower end of the screw;

(2) The screw is adjusted to move the upper clamping plate and the lower clamping plate to proper positions;

(3) Tightening the nuts with hexagonal flange faces at the upper end and the lower end of the screw rod, so that the nuts are tightly attached to the protective shell (or the lengthening sleeve);

(4) The diameter is shown in fig. 2 before adjustment, and the transmission shaft protection device after adjustment is shown in fig. 4.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "bottom", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally formed, for example; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Finally, it should be noted that: the above examples are only specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model, but it should be understood by those skilled in the art that the present utility model is not limited thereto, and that the present utility model is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (8)

1. A transmission shaft protection device with adjustable length and diameter, comprising:

the protective housing assembly (1), the protective housing assembly (1) includes the upper protective housing (100), with the lower protective housing (101) that the upper protective housing (100) cooperatees, the upper protective housing (100) and the lower protective housing (101) can dismantle and connect and form the both ends and link up the protective housing assembly (1);

the lengthening sleeve assembly (2) is connected in the protective shell assembly (1) in a telescopic nested manner;

the transmission shaft clamping assembly (3), transmission shaft clamping assembly (3) is including setting up last grip block (300) and lower grip block (301) in protective housing subassembly (1), go up grip block (300) with lower grip block (301) respectively with go up protective housing (100) with lower protective housing (101) lift is connected, go up grip block (300) with lower grip block (301) are just to setting up, go up the bottom of grip block (300) with transmission shaft grip groove (302) have been seted up respectively at the top of lower grip block (301).

2. The transmission shaft protection device with adjustable length and diameter according to claim 1, wherein a first bar-shaped hole (102) is formed at the top of the upper protective shell (100) and at the bottom of the lower protective shell (101);

the lengthening sleeve assembly (2) comprises an upper lengthening sleeve (200) and a lower lengthening sleeve (201) matched with the upper lengthening sleeve (200), and second strip-shaped holes (202) are formed in the top of the upper lengthening sleeve (200) and the bottom of the lower lengthening sleeve (201);

the upper protective shell (100) is connected with the upper lengthening sleeve (200) through a screw nut connecting piece (4) penetrating through the first strip-shaped hole (102) and the second strip-shaped hole (202); the lower protective shell (101) is connected with the lower lengthening sleeve (201) through a screw nut connecting piece (4) penetrating through the first strip-shaped hole (102) and the second strip-shaped hole (202).

3. The transmission shaft protection device with adjustable length and diameter according to claim 2, wherein the top of the upper clamping plate (300) is connected with the lower end of the screw passing through the screw nut connector (4) of the upper protective shell (100), and the bottom of the lower clamping plate (301) is connected with the upper end of the screw passing through the screw nut connector (4) of the lower protective shell (101).

4. The transmission shaft protection device with adjustable length and diameter according to claim 2, wherein a plurality of first strip-shaped holes (102) are formed at intervals along the length direction of the upper protection shell (100) and the lower protection shell (101) at the top of the upper protection shell (100) and the bottom of the lower protection shell (101);

and a plurality of second strip-shaped holes (202) are formed at intervals along the length direction of the upper extension sleeve (200) and the lower extension sleeve (201) at the top of the upper extension sleeve (200) and the bottom of the lower extension sleeve (201).

5. A transmission shaft protection device with adjustable length and diameter according to claim 1, characterized in that the transmission shaft protection device further comprises a support base (5), the top of the support base (5) being connected with the lower protective shell (101).

6. The transmission shaft protection device with adjustable length and diameter according to claim 5, wherein the bottom of the supporting seat (5) is fixed on the ground by adopting foundation bolts.

7. A transmission shaft protection device with adjustable length and diameter according to claim 1, characterized in that the upper protective shell (100) is hinged to one side of the lower protective shell (101), and that a handle (103) is provided on the other side of the upper protective shell (100).

8. A transmission shaft protector with adjustable length and diameter according to claim 1, characterized in that the transmission shaft clamping groove (302) is a V-groove.