CN217394235U - Spring hold-down mechanism - Google Patents

Spring hold-down mechanism Download PDF

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Publication number
CN217394235U
CN217394235U CN202221422689.3U CN202221422689U CN217394235U CN 217394235 U CN217394235 U CN 217394235U CN 202221422689 U CN202221422689 U CN 202221422689U CN 217394235 U CN217394235 U CN 217394235U
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China
Prior art keywords
spring
pressure plate
piston
plate assembly
down mechanism
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CN202221422689.3U
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Chinese (zh)
Inventor
张英华
蒋立俏
马淑侠
殷浩东
李法光
刘慧�
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Xuzhou XCMG Drivetrain Co Ltd
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Xuzhou XCMG Drivetrain Co Ltd
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Priority to CN202221422689.3U priority Critical patent/CN217394235U/en
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Abstract

The utility model discloses a spring pressing mechanism, which comprises a pressing plate component and a fastening component; the pressure plate assembly is used for pressing the spring in the spring seat on the piston; the fastening component is used for connecting the pressure plate assembly and the piston, and the distance between the pressure plate assembly and the piston is reduced by adjusting the fastening component, so that the spring is pressed on the piston through the pressure plate assembly; the fastening part is detachably connected with the piston, and the fastening part is detached from the piston to complete the detachment of the pressure plate assembly. The utility model discloses a spring hold-down mechanism simple structure, in the assembly work process, easy operation is reliable and easy, and convenient assembling is laborsaving, and the workman's that significantly reduces intensity of labour shortens the assemble duration, improves the efficiency of assembly to have the modular characteristics, be convenient for maintain or change.

Description

Spring hold-down mechanism
Technical Field
The utility model relates to a hold-down mechanism of engineering machine tool spring, especially the hold-down mechanism of wet-type transaxle upper rim spring.
Background
In the engineering machine tool trade, transaxle quantity constantly increases, and especially wet-type transaxle product all has the problem that the spring compressed tightly, and little spring moment is screwed up just can with the spanner, and big spring moment is great, and artifical manual unable screwing up improves assembly efficiency in order to reduce workman's intensity of labour, the utility model provides a new spring hold-down mechanism compresses tightly on the press.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a simple structure, effectual transaxle wheel limit spring hold-down mechanism.
In order to realize the purpose, the utility model discloses a technical scheme is:
a spring pressing mechanism comprises a pressing plate assembly and a fastening component; the pressure plate assembly is used for pressing the spring in the spring seat on the piston; the fastening component is used for connecting the pressure plate assembly and the piston, and the distance between the pressure plate assembly and the piston is reduced by adjusting the fastening component, so that the spring is pressed on the piston through the pressure plate assembly; the fastening part is detachably connected with the piston, and the fastening part is detached from the piston to complete the detachment of the pressure plate assembly.
In some embodiments, the platen assembly includes an annular platen and a plurality of support seats; the supporting seats are fixed on the annular bottom surface of the pressing plate, and after the pressing plate is pressed tightly, the spring is limited in a blocking ring formed by the supporting seats.
In some embodiments, the number of the supporting seats is three, the three supporting seats are uniformly arranged at intervals, and the circle centers of the three supporting seats are located on the same circle edge which takes the center of the pressing plate as the circle center.
In some embodiments, the annular surface of the pressure plate is further provided with a plurality of through holes for cooperating with the fastening components.
In some embodiments, the number of the through holes is three, the three through holes are uniformly arranged at intervals, and the centers of the three through holes are located on the same circle edge with the center of the pressing plate as the center of the circle.
In some embodiments, the through holes and the supporting seats are uniformly arranged in a staggered manner, and the centers of the through holes and the supporting seats are all located on the same circle edge which takes the center of the pressing plate as the center of the circle.
In some embodiments, the inner edge of the annular bottom surface of the pressing plate is provided with a circle of inner steps, and the spring seat is limited in the inner steps after the pressing plate is pressed.
In some embodiments, the fastening member is constituted by an elongated bolt and a lock nut attached to the elongated bolt; the lengthened bolt penetrates through the pressure plate assembly and then is screwed in the threaded hole of the piston, after the pressure plate assembly is pressed tightly by external equipment to compress the spring, the spring is always in a pressing state by screwing the locking nut positioned on the outer side of the pressure plate assembly.
In some embodiments, the pressure plate component, the fastening component, the spring seat, the spring and the piston are connected into a whole and then installed on a central shaft inside the wheel rim assembly, and the round nut penetrates through the pressure plate component and then is screwed on the central shaft until the round nut touches the spring seat.
In some embodiments, after the round nut is screwed, a retainer ring for axially retaining the round nut is assembled in the shaft groove at the end of the central shaft.
The utility model discloses beneficial effect:
the utility model discloses a spring hold-down mechanism simple structure, in the assembly work process, easy operation is reliable and easy, and convenient assembling is laborsaving, and the workman's that significantly reduces intensity of labour shortens the assemble duration, improves the efficiency of assembly to have the modular characteristics, be convenient for maintain or change.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.
In the drawings:
fig. 1 is a schematic view of a platen assembly of the present invention (a is a front cross-sectional view, and b is a top view);
fig. 2 is a schematic view of the pressing plate of the present invention (a is a front cross-sectional view, and b is a top view);
FIG. 3 is a schematic view of the supporting seat of the present invention;
FIG. 4 is a schematic view of an extension bolt according to the present invention;
fig. 5 is an application schematic diagram of the spring pressing mechanism of the present invention.
The attached drawings are as follows: 1. a platen assembly; 2. lengthening the bolt; 3. locking the nut; 4. a spring; 5. a spring seat; 6. a retainer ring; 7. a round nut; 8. a piston; 101. pressing a plate; 102. and (4) supporting the base.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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 invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
As shown in fig. 1, 2, 3, 4, 5, a spring pressing mechanism comprises a pressing plate assembly 1 and a fastening part; the pressure plate assembly 1 is used for pressing the spring 4 in the spring seat 5 on the piston 8; the fastening component is used for connecting the pressure plate assembly 1 and the piston 8, and the distance between the pressure plate assembly 1 and the piston 8 is reduced by adjusting the fastening component, so that the spring 4 is pressed on the piston 8 through the pressure plate assembly 1; wherein, the fastening part is detachably connected with the piston 8, and the disassembly of the pressing plate component 1 is completed by detaching the fastening part from the piston 8.
The following is a preferred embodiment of the above embodiment with respect to the platen assembly:
as shown in fig. 1, 2 and 3, the platen assembly 1 includes an annular platen 101 and a plurality of support bases 102; the plurality of supporting seats 102 are fixed on the annular bottom surface of the pressing plate 101, after the pressing plate 101 is pressed, the spring 4 is limited in a blocking ring formed by the plurality of supporting seats 102, and the supporting seats 102 play a role in positioning and prevent the spring 4 from being biased or excessively pressed.
Further scheme: the number of the supporting seats 102 is three, the three supporting seats 102 are uniformly arranged at intervals, and the circle centers of the three supporting seats 102 are located on the same circle edge which takes the center of the pressing plate 101 as the circle center.
Further scheme: the annular surface of the pressure plate 101 is further provided with a plurality of through holes for cooperating with fastening members.
Further scheme: the number of the through holes is three, the three through holes are evenly arranged at intervals, and the circle centers of the three through holes are positioned on the same circle edge which takes the center of the pressing plate 101 as the circle center.
Further scheme: the through holes and the supporting seats 102 are uniformly arranged in a staggered manner, and the centers of the through holes are all located on the same circle edge which takes the center of the pressing plate 101 as the center of the circle.
Further scheme: the inner edge of the annular bottom surface of the pressing plate 101 is provided with a circle of inner steps, and after the pressing plate 101 is pressed, the spring seat 5 is limited in the inner steps.
A preferred embodiment of the above embodiment with respect to the fastening means is given below:
as shown in fig. 4, the fastening member is constituted by the elongated bolt 2 and the lock nut 3 attached to the elongated bolt 2; the lengthening bolt 2 penetrates through the pressure plate assembly 1 and then is screwed in a threaded hole of the piston 8, after an external device (such as a press) presses the pressure plate assembly 1 to compress the spring 4, the spring 4 is always in a pressing state by screwing the locking nut 3 positioned on the outer side of the pressure plate assembly 1.
The preferable scheme is as follows: the pressing plate 101 is made of Q345 and is provided with a 3 multiplied by phi 18 through hole and a 3 multiplied by phi 32.5 blind hole, the phi 18 through hole is used for assembling an elongated bolt and a locking nut M16, and the 3 multiplied by phi 32.5 blind hole is used for welding the supporting seat 102; the material of the lengthened bolt 2 is No. 45 steel, the lengthened bolt 2 is assembled on the pressure plate component 1, and the other end of the lengthened bolt is assembled on the piston 8 to play a role in screwing and fixing the spring 4.
As shown in fig. 5, the utility model discloses under normal operating condition, the level is placed behind the interior outer combined seal circle of piston 8 installation, and above-mentioned spring 4, spring holder 5, the clamp plate subassembly 1 of packing into in proper order packs into extension bolt 2, lock nut 3 into the three threaded hole of piston 8 again, screws up in advance. Because the large spring force is large, the required pretightening force cannot be compressed by artificial force, and the pretightening force of the spring 4 can be conveniently adjusted and compressed under the action of external force (such as a press).
The pressing plate assembly 1, the lengthened bolt 2, the locking nut 3, the spring seat 5, the spring 4 and the piston 8 are installed in the wheel side assembly after being pressed and installed, then the round nut 7 is sequentially installed, the round nut 7 is screwed down and then the retainer ring 6 is installed, the retainer ring 6 plays a role in axial limiting, the round nut 7 compresses the spring seat 5, and the spring 4 is in a compression state. The lengthened bolt 2 and the locking nut 3 can be detached, and then the pressure plate assembly 1 is detached to complete the assembling work of the wheel-side spring of the driving axle.
The utility model discloses a spring hold-down mechanism simple structure, in the assembly work process, easy operation is reliable and simple, and convenient assembling is laborsaving, and the workman's that significantly reduces intensity of labour shortens the assemble duration, improves the efficiency of assembly to have the modular characteristics, be convenient for maintain or change.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention will still fall within the scope of the present invention.

Claims (10)

1. A spring hold down mechanism, comprising:
a pressure plate assembly for pressing the spring in the spring seat against the piston;
a fastening member for connecting the pressure plate assembly and the piston and reducing a distance between the pressure plate assembly and the piston by adjusting the fastening member, thereby pressing the spring against the piston by the pressure plate assembly;
the fastening part is detachably connected with the piston, and the fastening part is detached from the piston to complete the detachment of the pressure plate assembly.
2. The spring hold-down mechanism of claim 1, wherein:
the pressure plate assembly comprises an annular pressure plate and a plurality of supporting seats;
the supporting seats are fixed on the annular bottom surface of the pressing plate, and after the pressing plate is pressed tightly, the spring is limited in a blocking ring formed by the supporting seats.
3. A spring hold-down mechanism according to claim 2, wherein:
the supporting seat quantity is three, and the even alternate arrangement of three supporting seat and the centre of a circle of three supporting seat are in same edge that uses the clamp plate center as the centre of a circle.
4. A spring hold-down mechanism according to claim 2, wherein:
the annular surface of the pressure plate is also provided with a plurality of through holes for being matched with the fastening part for use.
5. The spring hold-down mechanism of claim 4, wherein:
the number of the through holes is three, the three through holes are uniformly arranged at intervals, and the circle centers of the three through holes are positioned on the same circle edge which takes the center of the pressing plate as the circle center.
6. The spring hold-down mechanism of claim 4, wherein:
the through holes and the supporting seats are evenly and mutually staggered, and the circle centers are all located on the same circle edge which takes the center of the pressing plate as the circle center.
7. A spring hold-down mechanism according to claim 2, wherein:
the inner edge of the annular bottom surface of the pressing plate is provided with a circle of inner steps, and after the pressing plate is pressed, the spring seat is limited in the inner steps.
8. The spring hold-down mechanism of claim 1, wherein:
the fastening component consists of an elongated bolt and a locking nut arranged on the elongated bolt;
the lengthened bolt penetrates through the pressure plate assembly and then is screwed in the threaded hole of the piston, after the pressure plate assembly is pressed tightly by external equipment to compress the spring, the spring is always in a pressing state by screwing the locking nut positioned on the outer side of the pressure plate assembly.
9. The spring hold-down mechanism of claim 1, wherein:
the pressing plate assembly, the fastening assembly, the spring seat, the spring and the piston are connected into a whole and then are installed on a central shaft in the wheel edge assembly, and the round nut penetrates through the pressing plate assembly and then is screwed on the central shaft until the round nut touches the spring seat.
10. The spring hold-down mechanism of claim 9, wherein:
and after the round nut is screwed, a check ring for axially limiting the round nut is assembled in the shaft groove at the end part of the central shaft.
CN202221422689.3U 2022-06-09 2022-06-09 Spring hold-down mechanism Active CN217394235U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221422689.3U CN217394235U (en) 2022-06-09 2022-06-09 Spring hold-down mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221422689.3U CN217394235U (en) 2022-06-09 2022-06-09 Spring hold-down mechanism

Publications (1)

Publication Number Publication Date
CN217394235U true CN217394235U (en) 2022-09-09

Family

ID=83146709

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221422689.3U Active CN217394235U (en) 2022-06-09 2022-06-09 Spring hold-down mechanism

Country Status (1)

Country Link
CN (1) CN217394235U (en)

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