Supporting device with adjustable jacking force

Abstract

The utility model discloses a jacking force adjustable supporting device which comprises a fixing block, a locking block is fixedly connected to the fixing block, a nut is fixedly connected to the locking block, a third screw is connected to the nut in a threaded mode, the third screw penetrates through the locking block, one end of the third screw is hinged to a pushing rod, and the pushing rod is connected into the fixing block in a sliding mode. A fourth screw is arranged on one side of the pushing rod and is in threaded connection to the fixing block, and a floating block is slidably connected to the top end of the pushing rod; the third screw is used for adjusting the pushing rod, the pushing rod drives the floating block through the inclined face so as to adjust the position of the jacking pin, therefore, jacking force adjustment is achieved, the phenomenon of not-in-place jacking or excessive jacking is avoided, the jacking pin can be replaced according to needs, it is ensured that the jacking position is perfectly matched with the surface of the blade, and the service life of the blade is prolonged. The supporting device has the advantages of being simple in structure, convenient to operate and good in flexibility and is more practical compared with an existing supporting device.

Description

Technical Field

[0001] The utility model relates to the technical field of supporting devices, and particularly relates to a supporting device with adjustable jacking force. Background Art

[0002] During the machining process of blades of aero-engines and gas turbines, it is necessary to use a supporting device to jack up the blades. Most of the existing supporting devices support the blades directly, lacking flexibility and unable to be adjusted up and down. Since the characteristic structures of each blade are different, when the blade heights and characteristics are different, the supporting device may have the phenomenon of insufficient jacking or over-jacking, thus affecting the machining accuracy of the blades. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a supporting device with adjustable jacking force to solve the problems put forward in the above background art.

[0004] To solve the above technical problems, the utility model provides the following technical solution: a supporting device with adjustable jacking force, including a fixed block, a locking block is fixedly connected to the fixed block, a nut is fixedly connected to the locking block, a third screw is threadedly connected to the nut and passes through the locking block, one end of the third screw is hinged to a push rod, and the push rod is slidably connected to the fixed block. A fourth screw is arranged on one side of the push rod and is threadedly connected to the fixed block. The top end of the push rod is slidably connected to a floating block, and the floating block is slidably connected to the fixed block. A washer is arranged at the top end of the floating block, a jacking pin is sleeved in the washer, and the jacking pin is fixedly connected to the floating block.

[0005] Preferably, a plurality of first mounting holes are provided on the fixed block, a first screw is installed in the first mounting hole, a second screw is installed on the locking block, and the second screw is threadedly connected to the fixed block. [[ID=,20]]

[0006] Preferably, a first through hole is provided in the fixed block, and the push rod is slidably connected to the first through hole. The top end of the first through hole is conductively connected to a second through hole, and the floating block is slidably connected to the second through hole.

[0007] Preferably, a limiting rod is fixedly connected to the floating block, through grooves are provided on both inner walls of the second through hole, and both ends of the limiting rod are slidably connected to the two through grooves respectively.

[0008] Preferably, a second mounting hole is provided at the top end of the floating block, and the jacking pin is fixedly connected to the second mounting hole.

[0009] Preferably, a second limiting groove is provided on the outer wall of one side of the push rod, and one end of the fourth screw is arranged in the second limiting groove.

[0010] Preferably, an inclined surface is provided on the push rod, and the floating block is slidably connected to the inclined surface.

[0011] Preferably, a first limiting groove is provided at one end of the push rod, a limiting block is hinged in the first limiting groove, and the limiting block is fixedly connected to one end of the third screw.

[0012] An adjustable tightening force support device provided by the present utility model has the following advantages: The present utility model adjusts the push rod by using the third screw, and the push rod drives the floating block through the inclined surface, thereby adjusting the position of the tightening pin, so as to realize the adjustment of the tightening force, avoid the phenomenon of incomplete tightening or over-tightening, and the tightening pin can be replaced according to needs to ensure perfect fit between the tightening position and the blade surface. It has the advantages of simple structure, convenient operation and good flexibility, and is more practical than the existing support device. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0014] Figure 1 It is a schematic perspective view of the overall structure of the present utility model;

[0015] Figure 2 It is a schematic front sectional view of the overall structure of the present utility model;

[0016] Figure 3 It is an exploded view of the overall three-dimensional structure of the present utility model;

[0017] Figure 4 It is a schematic top view structure of the third screw of the present utility model;

[0018] Figure 5 It is a schematic top view structure of the push rod of the present utility model.

[0019] In the figure: 1, fixed block; 11, first through hole; 12, second through hole; 13, through groove; 14, first mounting hole; 15, first screw; 2, lock block; 21, second screw; 22, nut; 23, third screw; 24, limiting block; 3, push rod; 31, first limiting groove; 32, inclined surface; 33, second limiting groove; 4, fourth screw; 5, floating block; 51, limiting rod; 52, second mounting hole; 6, tightening pin; 61, washer. Detailed Embodiments

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to the attached Figure 1 - attached Figure 5, an embodiment provided by the present utility model: a support device with adjustable tightening force, including a fixed block 1, a locking block 2 is fixedly connected to the fixed block 1, a nut 22 is fixedly connected to the locking block 2, a third screw 23 is threadedly connected to the nut 22, and the third screw 23 penetrates through the locking block 2. One end of the third screw 23 is hinged to a push rod 3, and the push rod 3 is slidably connected within the fixed block 1. A fourth screw 4 is arranged on one side of the push rod 3, and the fourth screw 4 is threadedly connected to the fixed block 1. The top end of the push rod 3 is slidably connected to a floating block 5, and the floating block 5 is slidably connected within the fixed block 1. A washer 61 is arranged at the top end of the floating block 5, a tightening pin 6 is sleeved within the washer 61, and the tightening pin 6 is fixedly connected to the floating block 5. By rotating the third screw 23 on the nut 22, the push rod 3 can be driven to slide along the inner wall of the fixed block 1. During the sliding process of the push rod 3, it is limited by the fourth screw 4. The push rod 3 drives the floating block 5 to move upward, thereby adjusting the position of the tightening pin 6, and thus realizing the adjustment of the tightening force; multiple first mounting holes 14 are provided on the fixed block 1, a first screw 15 is installed within the first mounting holes 14, a second screw 21 is installed on the locking block 2, and the second screw 21 is threadedly connected to the fixed block 1. The first screw 15 is used to fix the fixed block 1 to other devices, the locking block 2 is used to install the nut 22, and the second screw 21 is used to fix the locking block 2 to the fixed block 1; a first through hole 11 is provided within the fixed block 1, and the push rod 3 is slidably connected within the first through hole 11. The top end of the first through hole 11 is conductively connected to a second through hole 12, and the floating block 5 is slidably connected within the second through hole 12. The first through hole 11 is used to accommodate the push rod 3, and the second through hole 12 is used to accommodate the floating block 5; a limiting rod 51 is fixedly connected to the floating block 5. Through grooves 13 are provided on both inner walls of the second through hole 12, and both ends of the limiting rod 51 are respectively slidably connected within the two through grooves 13. The through grooves 13 are used to accommodate the limiting rod 51, and the limiting rod 51 is used to limit the floating block 5; a second mounting hole 52 is provided at the top end of the floating block 5, and the tightening pin 6 is fixedly connected within the second mounting hole 52. The second mounting hole 52 is used to install the tightening pin 6; a second limiting groove 33 is provided on the outer wall of one side of the push rod 3, and one end of the fourth screw 4 is arranged within the second limiting groove 33. The fourth screw 4 limits the push rod 3 through the second limiting groove 33; an inclined surface 32 is provided on the push rod 3, and the floating block 5 is slidably connected to the inclined surface 32. The inclined surface 32 has a smoother driving force; a first limiting groove 31 is provided at one end of the push rod 3, a limiting block 24 is hinged within the first limiting groove 31, and the limiting block 24 is fixedly connected to one end of the third screw 23. The limiting block 24 cooperates with the first limiting groove 31 to realize the hinge connection between the third screw 23 and the push rod 3.

[0022] Working principle: When using the present utility model, by rotating the third screw 23 on the nut 22, the push rod 3 can be driven to slide along the first through hole 11 in the fixed block 1. During the sliding process of the push rod 3, the fourth screw 4 cooperates with the second limiting groove 33 for limiting. The push rod 3 drives the floating block 5 to move upward through the inclined surface 32, thereby realizing the adjustment of the tightening force. During the upward movement of the floating block 5 along the second through hole 12, it is limited by the limiting rod 51 in the through groove 13. After the adjustment is completed, tightening the fourth screw 4 can lock it. Among them, the first mounting hole 14 is used for installing the first screw 15, and the first screw 15 is used to fix the fixed block 1 on other devices. The lock block 2 is used for installing the nut 22, and the second screw 21 is used to fix the lock block 2 on the fixed block 1. The limiting block 24 cooperates with the first limiting groove 31 to realize the hinge connection between the third screw 23 and the push rod 3. The second mounting hole 52 is used for installing the tightening pin 6, and the washer 61 is used to protect the surface where the fixed block 1 and the tightening pin 6 contact. The types of the tightening pin 6 include flat pins, spherical pins, spherical combined bevel pins, and product surface profiling pins, and specific selection and use are made according to the product type.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0024] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative labor.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or equivalently replace some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present utility model.

Claims

1. An adjustable clamping force support device, comprising a fixed block (1), characterized in that: A locking block (2) is fixedly connected to the fixed block (1). A nut (22) is fixedly connected to the locking block (2). A third screw (23) is threadedly connected to the nut (22), and the third screw (23) passes through the locking block (2). One end of the third screw (23) is hinged to a push rod (3), and the push rod (3) is slidably connected within the fixed block (1). A fourth screw (4) is provided on one side of the push rod (3), and the fourth screw (4) is threadedly connected to the fixed block (1). The top end of the push rod (3) is slidably connected to a floating block (5), and the floating block (5) is slidably connected within the fixed block (1). A washer (61) is provided at the top end of the floating block (5). A top pin (6) is sleeved within the washer (61), and the top pin (6) is fixedly connected to the floating block (5).

2. The adjustable support device for the top pressing force according to claim 1, wherein: A plurality of first mounting holes (14) are formed in the fixed block (1). A first screw (15) is installed within the first mounting holes (14). A second screw (21) is installed on the locking block (2), and the second screw (21) is threadedly connected to the fixed block (1).

3. The adjustable support device for the pressing force according to claim 1, wherein: A first through hole (11) is formed within the fixed block (1), and the push rod (3) is slidably connected within the first through hole (11). The top end of the first through hole (11) is conductively connected to a second through hole (12), and the floating block (5) is slidably connected within the second through hole (12).

4. The adjustable support device for the top pressing force according to claim 3, wherein: A limiting rod (51) is fixedly connected to the floating block (5). Through grooves (13) are formed on both inner walls of the two sides of the second through hole (12), and the two ends of the limiting rod (51) are respectively slidably connected within the two through grooves (13).

5. The adjustable support device for the top pressing force according to claim 1, wherein: A second mounting hole (52) is formed at the top end of the floating block (5), and the top pin (6) is fixedly connected within the second mounting hole (52).

6. The adjustable supporting device for the top pressing force according to claim 1, wherein: A second limiting groove (33) is formed on the outer wall of one side of the push rod (3), and one end of the fourth screw (4) is disposed within the second limiting groove (33).

7. The adjustable supporting device for the top pressing force according to claim 1, characterized in that: An inclined surface (32) is formed on the push rod (3), and the floating block (5) is slidably connected to the inclined surface (32).

8. The adjustable pressing force support device according to claim 7, characterized in that: A first limiting groove (31) is formed at one end of the push rod (3). A limiting block (24) is hinged within the first limiting groove (31), and the limiting block (24) is fixedly connected to one end of the third screw (23).

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