CN218082455U

CN218082455U - Dismounting wrench for belt pulley lock nut of centrifugal machine

Info

Publication number: CN218082455U
Application number: CN202221599906.6U
Authority: CN
Inventors: 魏晶磊; 李春运; 田磊磊; 马世杰; 滕保红; 畅海超; 庄士千; 魏蒙蒙; 马凤霞; 康倩
Original assignee: Hebei Jiheng Pharmaceutical Co ltd
Current assignee: Hebei Jiheng Pharmaceutical Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-12-20
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a female spanner of dismantling of centrifuge belt pulley lock belongs to the female extracting tool technical field of lock, include: the locking component comprises a base and a plurality of clamping blocks uniformly arranged along the circumference, the clamping blocks are fixed on the base, the shapes of the clamping blocks are matched with those of grooves axially arranged on the outer wall of a belt pulley locking nut to be disassembled, and the lower end of the base is abutted with the upper end of the belt pulley locking nut; the lower end of the supporting rod is fixedly connected with the center of the upper end of the base; the handle is arranged at the upper part of the supporting rod; the outer wall that base and a plurality of fixture block mutually supported and locked the belt pulley lock mother tightly pins, and twist grip can become flexible the belt pulley lock mother, and installation and convenient to use, a plurality of locating holes on the base distribute on the circle of difference, can satisfy the belt pulley lock mother of different specifications and use.

Description

Dismounting wrench for belt pulley lock nut of centrifugal machine

Technical Field

The utility model belongs to the technical field of the female extracting tool of lock, in particular to female spanner of dismantling of centrifuge belt pulley lock.

Background

Centrifuge is a common centrifugation equipment of getting rid of material, has the condition that the bearing damaged in the use, and the bearing is located the central authorities of belt pulley usually, is equipped with the belt pulley lock mother that prevents its axial float in the outside of belt pulley, consequently before changing the bearing, the maintainer need tear the belt pulley lock mother in the belt pulley outside off earlier.

Dismantle centrifuge belt pulley lock mother at present does not have professional instrument, because the recess of belt pulley lock mother outer wall pins the belt pulley, dismantles the difficulty, can only rely on the bottle opener, puts the bottle opener head in the recess of belt pulley lock mother earlier, then slowly plays and beats and take out, but causes the damage to belt pulley lock mother so very easily.

In order to solve the problems, a disassembly wrench for a conveniently-disassembled centrifuge belt pulley lock nut is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the difficult problem of dismantling of foretell prior art well centrifuge pulley lock nut at least, the utility model provides a following technical scheme: a centrifuge pulley lock nut disassembly wrench, comprising:

the locking component comprises a base and a plurality of clamping blocks uniformly arranged along the circumference, the clamping blocks are fixed on the base, the shapes of the clamping blocks are matched with those of grooves axially arranged on the outer wall of a belt pulley locking nut to be disassembled, and the lower end of the base is abutted with the upper end of the belt pulley locking nut;

the lower end of the supporting rod is fixedly connected with the center of the upper end of the base;

and the handle is arranged at the upper part of the supporting rod.

Preferably, the fixture blocks are slidably located in the grooves, partial side walls of the fixture blocks are abutted to the side walls of the grooves, the plurality of fixture blocks and the base are matched with each other to radially limit the belt pulley locking nut, and the two fixture blocks farthest away from each other are located on the same straight line.

Preferably, the bottom of the side wall of the fixture block is fixedly connected with the side wall of the base.

Preferably, the lower part of the base is horizontally provided with sliding grooves, the number of the sliding grooves is half of the total number of the clamping blocks, the shapes of the sliding grooves are matched with the shapes of the upper parts of the clamping blocks, and the clamping blocks can slide along the length direction of the sliding grooves.

Preferably, the centers of the plurality of sliding grooves are all on the same straight line with the axis of the supporting rod, the clamping block is of a T-shaped structure and comprises a cross beam and a stand column fixedly connected with the cross beam, the cross beam is located in the sliding grooves and has a movable gap between the sliding grooves, and the stand column is arranged along the length direction of the supporting rod and is matched with the surface of the belt pulley lock nut, which is in contact with the groove.

Preferably, the two fixture blocks farthest away are both located in the same sliding groove and located on two sides of the center of the sliding groove.

Preferably, the upper portion of the base and the upper end of the cross beam are both vertically provided with a plurality of positioning holes, the positioning holes in the base penetrate through the sliding grooves, positioning pins are arranged in the sliding grooves, the upper ends of the positioning pins are located outside the base, and the lower ends of the positioning pins penetrate through the positioning holes in the base and the positioning holes in the cross beam in sequence.

Preferably, every two positioning holes on the base are located on the same circle, and the plurality of positioning holes are located on a plurality of concentric circles.

Preferably, the upper part of the supporting rod is horizontally provided with a through hole, and the handle is inserted in the through hole.

Preferably, the lower extreme of base is followed the length direction of spout is provided with a plurality of scale mark, the quantity of scale mark is twice spout quantity.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is:

through setting up the locking part, the upper end activity of fixture block is located the base, the partial lateral wall of lower extreme and the surperficial looks adaptation of the recess contact on the belt pulley lock nut, locating pin and locating hole are mutually supported with the position fixation of fixture block on the base, the scale mark reading of this position is noted, not only can be very fast the position of the fixture block that is located belt pulley lock nut opposite side in the same spout of looking for according to this scale mark position, can also find the position of fixture block in other spouts fast, base and several fixture block mutually support and tightly pin the outer wall of belt pulley lock nut, the twist grip, the handle drives the bracing piece rotation, the base that the bracing piece drives the link firmly is rotatory, several fixture blocks on the base drive the belt pulley lock nut rotatory, thereby make the belt pulley lock nut not hard up, take off belt pulley lock nut from the belt pulley at last, and convenient to install and use, furthermore, a plurality of locating holes on the base distribute on the circle in the difference, the belt pulley lock nut that can satisfy different specifications uses.

Drawings

Fig. 1 is a schematic structural view of a detaching wrench for a belt pulley lock nut of a centrifuge according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a dismounting wrench for a pulley lock nut of a centrifuge according to a second embodiment of the present invention;

fig. 3 is a schematic view of a combined structure of a positioning pin and a clamping block in a detaching wrench for a belt pulley lock nut of a centrifuge according to the second embodiment of the present invention;

fig. 4 is a top view structural diagram of a belt pulley lock nut adapted to a detaching wrench of a centrifuge belt pulley lock nut provided in the first and second embodiments of the present invention;

in the figure: 1. a base; 2. a clamping block; 201. a cross beam; 202. a column; 3. a support bar; 4. a handle; 5. a chute; 6. positioning holes; 7. positioning pins; 8. a groove; 9. scale lines are marked.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", 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 of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected", "connected" and "disposed" used in the present invention should be understood in a broad sense, and may be, for example, either fixedly connected or detachably connected; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.

Referring to fig. 1-4, the present invention provides a wrench for detaching a nut of a pulley lock of a centrifuge, comprising: locking means, a support bar 3 and a handle 4.

Example one

Please refer to fig. 1, the locking component includes a base 1 and a plurality of clamping blocks 2 evenly arranged along the circumference, the number of the clamping blocks 2 is arranged in pairs, there are at least two clamping blocks 2, the two clamping blocks 2 farthest away are located on the same straight line, the bottom of the side wall of the plurality of clamping blocks 2 (here and later mentioned directions all use the support rod 3 above the base 1 as reference) is fixedly connected with the side wall of the base 1, a common welding mode can be adopted, the shape of the clamping block 2 is matched with the shape of the groove 8 axially arranged on the outer wall of the pulley locking nut to be disassembled, the clamping block 2 is pushed into the groove 8, a part of the side wall of the clamping block 2 is abutted with the side wall of the groove 8, the lower end of the base 1 is abutted with the upper end of the pulley locking nut, the plurality of clamping blocks 2 and the base 1 are mutually matched to radially limit the pulley locking nut, and the side wall of the pulley locking nut is locked.

The lower end of the supporting rod 3 is fixedly connected with the center of the upper end of the base 1, and a common welding mode can be adopted.

Handle 4 installs on the upper portion of bracing piece 3, along 4 length direction twist grip 4 of handle, handle 4 drives bracing piece 3 rotatoryly, and 3 drive bases 1 that link firmly of bracing piece are rotatory, and a plurality of fixture block 2 on the base 1 drives the female rotation of belt pulley lock to make the belt pulley lock female not hard up, take out the belt pulley lock female from the belt pulley at last.

Preferably, for light bracing piece 3 and handle 4 all can adopt the steel pipe, use the cutting machine with the upper portion of bracing piece 3 to cut out a through-hole that can place handle 4 size, with handle 4 cartridge in the through-hole, movable handle 4 installs and dismantles the convenience.

Example two

Referring to fig. 2-3, the difference between the first embodiment and the second embodiment is that the connection positions of the base 1 and the fixture block 2 are different, and the base 1 and the fixture block 2 are movably connected, such a design can meet the requirements of belt pulley nuts with different specifications, and the specific scheme of the second embodiment is specifically described below:

preferably, the lower part level of base 1 is provided with quantity and is half spout 5 of 2 total numbers of fixture block, have two fixture blocks 2 and two fixture blocks 2 are located the center both sides of spout 5 in a spout 5, in a plurality of fixture block 2, the distance of these two fixture blocks 2 is farthest, the shape of spout 5 and the upper portion shape looks adaptation of fixture block 2, the upper portion of fixture block 2 is located spout 5, make fixture block 2 can follow the length direction of spout 5 and slide to the middle part of spout 5 from the one end of spout 5, final stop position is according to the actual external diameter decision of belt pulley lock nut.

Preferably, the centers of the sliding grooves 5 are all on the same straight line with the axial lead of the support rod 3, the fixture block 2 is of a T-shaped structure and comprises a cross beam 201 and an upright column 202 fixedly connected with the cross beam 201, the cross beam 201 is located in the sliding grooves 5 and has a movable gap with the sliding grooves 5, the upright column 202 is arranged along the length direction of the support rod 3 and is matched with the surface contacted with the groove 8 on the belt pulley lock nut, the shape of the upright column 202 is consistent with that of the groove 8, in order to enable the cross beam 201 to slide in the sliding grooves 5, the sliding grooves 5 are also T-shaped grooves, the upper part of the upright column 202 close to the cross beam 201 is also located in the sliding grooves 5, the upright column 202 outside the sliding grooves 5 is held, the upright column 202 can drive the fixedly connected cross beam 201 to slide from one end of the sliding grooves 5 to the middle part of the sliding grooves 5 along the length direction of the sliding grooves 5, and the distance between the position of the upright column 202 when the stand column stops and the central lead of the support rod 3 is exactly equal to the radius of the belt pulley lock nut.

Preferably, the upper portion of base 1 and the upper end of crossbeam 201 are all vertically provided with a plurality of locating hole 6, locating hole 6 on base 1 all passes spout 5 and internally mounted has locating pin 7, locating hole 6 and locating pin 7 mutually support can fix the position of fixture block 2, the upper end of locating pin 7 is located the outside of base 1, the lower extreme passes locating hole 6 on the base 1, locating hole 6 on the crossbeam 201 in proper order, hold the upper end of locating pin 7, then insert the lower extreme of locating pin 7 in locating hole 6 and can realize the bolt function.

Preferably, every two locating holes 6 on the base 1 are located same circle, the distance between the fixture blocks 2 in these two locating holes 6 is consistent with the outer diameter of the belt pulley lock nut, and a plurality of locating holes 6 are located a plurality of concentric circles, so that the belt pulley lock nuts of different specifications can be satisfied.

Preferably, base 1 is circular plate or rectangular plate, can adopt the ring flange, the lower extreme with bracing piece 3 is in the same place with the upper end center welding of base 1, base 1's lower extreme is provided with a plurality of scale mark 9 along the length direction of spout 5, the quantity of scale mark 9 is the twice of spout 5 quantity, scale on the

scale mark

9 and 6 one-to-one in the locating hole in the spout 5, there are two scale marks 9 about base 1 centrosymmetric in same recess 8, after the position of 2 positions of the fixture block of belt pulley lock mother one side is confirmed, just can find the position of 2 fixture blocks of the other side of belt pulley lock mother in same spout 5 rapidly according to this scale mark 9 position, and if adopt many pairs of fixture blocks 2 can also find the position of fixture block 2 in other spout 5 fast.

The working principle is as follows: before using, the supporting rod 3 is rotated, so that the supporting rod 3 is positioned above the base 1, the whole device is positioned above a belt pulley lock nut to be disassembled, then the handle 4 is aligned to the through hole of the supporting rod 3 and penetrates through the through hole, the two ends of the handle 4 are uniformly positioned on the two sides of the supporting rod 3, and the handle 4 is installed.

In use, the position of the fixture block 2 in the sliding groove 5 is determined according to the actual outer diameter size of the belt pulley lock nut, firstly, one fixture block 2 slowly slides in from one end of the sliding groove 5 until the upright column 202 is positioned right above the groove 8 on the side wall of the belt pulley lock nut, then, the upper part of the positioning pin 7 is held, the positioning pin 7 is aligned to the positioning hole 6 on the base 1, the lower end of the positioning pin 7 sequentially passes through the positioning holes 6 on the base 1 and the fixture block 2, and finally, the positioning pin 7 is clamped in the cross beam 201, so that one fixture block 2 is fixed on the base 1 by the positioning pin 7, at the moment, the position of the scale mark 9 of the fixture block 2 on the base 1 is recorded, the position of the fixture block 2 on the other side of the belt pulley lock nut in the same sliding groove 5 is found according to the position of the scale mark 9, if a plurality of groups of slide blocks are used, the positions of the fixture blocks 2 in the rest sliding grooves 5 are found, and the position of the fixture block 2 is fixed according to the above operation, after the fixture blocks 2 are completely installed, the handle 4 is held, the fixture blocks 2 are aligned with the belt pulley locking nut and gradually approach the belt pulley locking nut, the lower end of the upright column 202 is gradually contacted with the groove 8, the upright column 202 is pushed downwards slightly by force to move downwards along the groove 8, finally the upright column 202 is completely positioned in the groove 8, at the moment, part of the side wall of the upright column 202 is contacted with the side wall of the groove 8, the lower end of the base 1 is abutted with the upper end of the belt pulley locking nut, so that the positions of the belt pulley locking nut are locked by mutually matching the fixture blocks 2 with the base 1, then the handle 4 is rotated by force (the rotation direction is opposite to the locking direction of the belt pulley locking nut), the handle 4 drives the support rods 3 to rotate in the same direction, the support rods 3 drive the fixedly connected base 1 to rotate in the same direction at the same time, the base 1 drives the fixedly connected fixture blocks 2 to rotate in the same direction, the upright posts 202 on the clamping blocks 2 in the grooves 8 on the side walls of the belt pulley locking nuts drive the belt pulley locking nuts to rotate in the same direction, so that the belt pulley locking nuts are loosened slowly, and finally the belt pulley locking nuts are detached.

It will be appreciated by those skilled in the art that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The utility model provides a centrifuge pulley lock nut dismantles spanner which characterized in that includes:

the locking component comprises a base and a plurality of clamping blocks which are uniformly arranged along the circumference, the clamping blocks are fixed on the base, the shapes of the clamping blocks are matched with those of grooves axially formed in the outer wall of a belt pulley locking nut to be disassembled, the lower end of the base is abutted against the upper end of the belt pulley locking nut, the clamping blocks are slidably positioned in the grooves, part of side walls of the clamping blocks are abutted against the side walls of the grooves, the clamping blocks and the base are mutually matched to radially limit the belt pulley locking nut, and the two clamping blocks which are farthest away are positioned on the same straight line;

and the handle is arranged at the upper part of the supporting rod.

2. The disassembly wrench for a pulley lock nut of a centrifuge as claimed in claim 1, wherein the bottom of the side wall of the locking block is fixedly connected with the side wall of the base.

3. The disassembly wrench for locking nuts of a centrifuge pulley as claimed in claim 1, wherein the lower portion of the base is horizontally provided with a number of sliding slots half of the total number of the clamping blocks, the shape of the sliding slots is adapted to the shape of the upper portions of the clamping blocks, and the clamping blocks can slide along the length direction of the sliding slots.

4. The disassembly wrench for the pulley lock nut of the centrifuge according to claim 3, wherein centers of the plurality of sliding grooves are all aligned with an axial lead of the supporting rod, the clamping block is of a T-shaped structure and comprises a cross beam and a stand column fixedly connected with the cross beam, the cross beam is located in the sliding grooves and has a movable gap with the sliding grooves, and the stand column is arranged along a length direction of the supporting rod and is matched with a surface of the pulley lock nut, which is in contact with the groove.

5. The wrench as claimed in claim 4, wherein the two blocks located farthest from each other are located in the same sliding slot and located on two sides of the center of the sliding slot.

6. The centrifuge pulley lock nut dismantling wrench as claimed in claim 5, wherein a plurality of positioning holes are vertically formed in the upper portion of the base and the upper end of the cross beam, the positioning holes in the base penetrate through the sliding groove and are internally provided with positioning pins, the upper ends of the positioning pins are located outside the base, and the lower ends of the positioning pins penetrate through the positioning holes in the base and the positioning holes in the cross beam in sequence.

7. The centrifuge pulley lock nut breakout wrench of claim 6, wherein each two positioning holes of the base are located on a same circle, and the plurality of positioning holes are located on a plurality of concentric circles.

8. The disassembly wrench for the locking nut of the belt pulley of the centrifuge as claimed in claim 1, wherein the support rod is horizontally provided with a through hole at the upper part thereof, and the handle is inserted into the through hole.

9. The centrifuge pulley lock nut breakout wrench of claim 3, wherein: the lower extreme of base is followed the length direction of spout is provided with a plurality of scale mark, the quantity of scale mark is twice spout quantity.