CN111987660A - Fastening mechanism of high-voltage power protective sleeve and using method thereof - Google Patents

Abstract

The invention discloses a fastening mechanism of a high-voltage power protective sleeve and a using method thereof, relating to the technical field of cable protection auxiliary equipment; in order to solve the problem of damage to the protective sleeve body; the fastening mechanism of the high-voltage power protective sleeve specifically comprises a table top, a flexible fastening assembly and a protective sleeve body, wherein the flexible fastening assembly is arranged at the top of the table top, the protective sleeve body is fastened through the flexible fastening assembly, the flexible fastening assembly comprises a first support and a second support, a bottom plate is fixed on the outer wall, close to a locking rod, of the top of the table top through bolts, and the second support is installed on the outer wall of the top of the bottom plate in a linear array mode. According to the invention, the locking spring is arranged, the locking force on the protective sleeve body is directly related to the tightening degree of the locking nut, namely the compression amount of the locking spring, the locking force on the protective sleeve body can be controlled through the tightening degree of the locking nut, and the whole flexible fastening assembly is relatively flexibly fixed to the protective sleeve body, so that the protective sleeve body is not damaged.

Description

Fastening mechanism of high-voltage power protective sleeve and using method thereof

Technical Field

The invention relates to the technical field of cable protection auxiliary equipment, in particular to a fastening mechanism of a high-voltage power protective sleeve and a using method thereof.

Background

When the actual laying of cable, in order to protect the cable and when unifying the protection with the multi-beam cable, need sheathe the protective sheath on the cable, sheathe the back at the cable cover, to some non-buried type cables, it needs corresponding fastener to carry out fastening position to the cable protective sheath, comparatively concentrate in some power transmission, the cable conductor distributes comparatively intensive region, in order categorised share and guarantee the heat dissipation, need be divided into different strands with all pencil according to classification and route etc. again, sheathe protective sheath respectively on different strand cables, it is unified fixed to the protective sheath again at last.

Through the retrieval, chinese patent publication is CN 208697234U's patent, discloses a power cable protective case fixing device, including bottom plate and pipeline body, the last fixed surface of bottom plate installs places the seat, the pipeline body is located the upper surface of placing the seat, the last fixed surface of bottom plate installs the joint piece, and the joint piece is located the left side of placing the seat, and the drive groove has been seted up to the inside of bottom plate, and the inner wall fixed mounting of drive groove has driving motor, and the fixed surface of driving motor output shaft is connected with the pivot.

The above patents suffer from the following disadvantages: it utilizes the motor to drive the screw rod, cooperates corresponding slider to lock the pipeline afterwards, and when threaded connection drove slider locking, the size of its locking force can't be controlled, and because thread engagement's mode, the moment of its locking at every turn is all different, and irregularly can follow, if locking force is too little, then can cause and rock, if locking force is great, then can cause the sheath pipe damage.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a fastening mechanism of a high-voltage power protective sleeve and a using method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

a fastening mechanism of a high-voltage power protective sleeve comprises a table top, a flexible fastening assembly and a protective sleeve body, wherein the flexible fastening assembly is arranged at the top of the table top, the protective sleeve body is fastened through the flexible fastening assembly, the flexible fastening assembly comprises a first support and a second support, a bottom plate is fixed on the outer wall, close to a locking rod, of the top of the table top through bolts, two linear arrays of the second support are installed on the outer wall of the top of the bottom plate, the locking rods are connected to the inner walls of four corners of the table top in a sliding mode, a middle plate and a top plate are arranged on the outer wall of the locking rods respectively, the other two linear arrays of the second support are installed on the outer wall of the bottom of the top plate, the two first supports are fixedly installed on the outer wall of the top and the outer wall of the bottom of the middle plate respectively, the outer wall of the top of the locking rod is connected with a locking nut through threads, the protective sleeve body is clamped on the outer wall of one side, opposite to the first support and the second support, of the outer wall of the bottom of the table board, and a first adjusting assembly and a second adjusting assembly are arranged on the outer wall of the bottom of the table board respectively.

Preferably: the first support and the second support are both of an M-like structure.

Further: the first support and the second support are not located on the same vertical plane.

On the basis of the scheme: the width of the middle plate and the width of the first support are both smaller than the width of the two adjacent second supports.

The better scheme in the scheme is as follows: the second adjusting component comprises four mutually symmetrical support legs and a second adjusting screw rod and a second adjusting nut which are matched for use, a first hinge block is welded on the outer wall of the bottom of the table board, and the support legs are rotatably connected to the outer wall of the first hinge block through first hinge rods.

As a further scheme of the invention: adjacent two the inner wall of landing leg rotates through the second hinge bar and is connected with the regulating plate, two the through-hole has all been seted up to the inner wall of regulating plate, second adjusting screw is wrapped up on the inner wall of through-hole, second adjusting nut passes through threaded connection on second adjusting screw's outer wall.

Simultaneously, first adjusting part includes first adjusting screw and anti-skidding cushion, the welding of the top outer wall of anti-skidding cushion has the articulated piece of second.

As a preferable aspect of the present invention: the articulated piece of second has seted up the regulation hole with the inner wall of landing leg, first adjusting screw set up in two the inner wall of regulation hole, first adjusting screw's opposite side inner wall has first adjusting nut through threaded connection.

Meanwhile, the outer wall of the bottom of the anti-skid cushion block is provided with anti-skid grains.

A use method of a fastening mechanism of a high-voltage power protective sleeve comprises the following specific steps:

s1: loosening the first adjusting nut, and adjusting the required height of the device by screwing the second adjusting nut;

s2: after the height adjustment is finished, the first adjusting nut is screwed down;

s3: then placing the protective sleeve body in a second bracket concave position on the bottom plate;

s4: the first support is sleeved on the locking rod and then matched with the second support on the bottom plate through the action of gravity to limit the protective sleeve body at the lowermost row;

s5: then placing a second row of protective sleeve bodies in the concave parts of the first brackets on the middle plate;

s6: according to the number of the actual sheath pipe bodies, selecting to continue using the intermediate plate to increase the number of the sheath pipe bodies which can be fixed in a transition mode or using the top plate to carry out capping, repeating the step S5 if the intermediate plate is used, and continuing the following steps if the top plate is used;

s7: and sleeving the top plate on the locking rod, then screwing the locking nut, and determining the screwing depth of the locking nut according to the required locking force to finish the whole fastening process.

The invention has the beneficial effects that:

1. this fastening device of high-voltage electricity protecting pipe through being provided with locking spring, to the locking force of protecting pipe body and lock nut's tightening degree, and lock spring's compressive capacity has the direct relation promptly, and accessible lock nut's tightening degree control is to the locking force of protecting pipe body, and whole flexible fastening assembly is flexible fixed relatively to the fixed of protecting pipe body, can not cause the damage to the protecting pipe body.

2. This fastening device of high voltage electricity protecting pipe sets up the first support of direct contact mounting to type "M" type structure with the second support, and the side of its "M" type is all tangent with the outer wall of protecting pipe body, can guarantee the fixed reliability to the protecting pipe body, and every cove all can fix the protecting pipe body for this device can once only fix a plurality of protecting pipe bodies, and gapped between the adjacent protecting pipe body after fixing, can guarantee its reliable heat dissipation.

3. When the fastening mechanism of the high-voltage power protective sleeve is actually used, the first support and the second support are not on the same vertical plane, the width of the first support is smaller than that of the adjacent second support, the first support and the second support can be in cross dislocation fit, the diamond inner space formed by the first support and the second support is changed, the diameter of the inscribed circle of the first support is variable, and the fastening mechanism can change the position of the protective sleeve according to the diameter of the protective sleeve body without adjusting the fastening mechanism when aiming at protective sleeve bodies with different diameters.

4. This fastening device of high voltage electricity protective sheath pipe, through being provided with second adjusting part, when in actual use, many cable harnesses's position is different, it is relatively impartial by the distance of parcel department in order to make cable junction and cable, need carry out diversified displacement to fastening device, its horizontal plane displacement can be set up position adjustment by the device, when it needs adjustment fixed height, can twist and move second adjusting nut, make the distance between two regulating plates change, thereby make the contained angle between the articulated piece of second of two sets of symmetries change, thereby change the mesa apart from the height on ground, reach the purpose of adjusting fixed height.

5. This fastening device of high-tension electricity protective sheath, through being provided with first adjusting part, because when carrying out altitude mixture control, the landing leg takes place to rotate, its contact surface with ground changes, may cause to rock etc., and through being provided with first adjusting part, before the height-adjusting, just become flexible first adjusting nut, make anti-skidding cushion and landing leg relatively rotatable, height-adjusting afterwards, after the altitude mixture control finishes, anti-skidding cushion's the plane still with the ground laminating this moment, screw up first adjusting nut afterwards can, can guarantee the stability of device for ground.

6. The application method of the fastening mechanism of the high-voltage power protective sleeve is characterized in that the fastening mechanism is fixed in a bottom-to-top row in the whole fixing process, the number of the middle plates can be selected according to the number of the protective sleeve bodies which are actually required to be fixed, and finally the top plates are used for fixing, so that the device can adjust the self bearing capacity according to the actual conditions.

Drawings

Fig. 1 is a schematic overall structural diagram of a fastening mechanism of a high-voltage power protective sleeve according to the present invention;

fig. 2 is a schematic structural diagram of a flexible fastening assembly of a fastening mechanism of a high-voltage power protective sleeve according to the present invention;

fig. 3 is a schematic partial top view of a fastening mechanism of a high-voltage power sheath according to the present invention;

fig. 4 is a schematic structural diagram of a first adjusting assembly and a second adjusting assembly of a fastening mechanism of a high-voltage power protecting sleeve according to the present invention;

fig. 5 is a schematic structural view of a non-slip pad of a fastening mechanism of a high-voltage power sheath according to the present invention.

In the figure: 1-table top, 2-flexible fastening component, 3-protective sleeve body, 4-first adjusting component, 5-second adjusting component, 6-limiting block, 7-locking spring, 8-limiting ring, 9-locking rod, 10-locking nut, 11-top plate, 12-middle plate, 13-first support, 14-second support, 15-bottom plate, 16-first hinging block, 17-first hinging rod, 18-supporting leg, 19-second hinging block, 20-first adjusting screw, 21-anti-skid cushion block, 22-first adjusting nut, 23-second adjusting screw, 24-second adjusting nut, 25-second hinging rod, 26-adjusting plate and 27-anti-skid grain.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

a fastening mechanism of a high-voltage power protective sleeve comprises a table board 1, a flexible fastening assembly 2 arranged at the top of the table board 1 and a protective sleeve body 3 fastened through the flexible fastening assembly 2, wherein the flexible fastening assembly 2 comprises a first support 13 and a second support 14, a bottom plate 15 is fixed on the outer wall, close to a locking rod 9, of the table board 1 through bolts, two linear arrays of the second supports 14 are installed on the outer wall of the top of the bottom plate 15, locking rods 9 are connected to the inner walls of four corners of the table board 1 in a sliding mode, an intermediate plate 12 and a top plate 11 are respectively arranged on the outer wall of the top plate 11, the other two linear arrays of the second supports 14 are installed on the outer wall of the bottom of the top plate 11, the two first supports 13 are respectively and fixedly installed on the outer wall of the top and the outer wall of the bottom of the intermediate plate 12, and a limiting block 6 is fixedly installed on the, a locking spring 7 is arranged between the table top 1 and the limiting block 6, the outer wall of the top of the locking rod 9 is connected with a locking nut 10 through threads, and the protective sleeve body 3 is clamped on the outer wall of one side of the first support 13 opposite to the outer wall of one side of the second support 14; this embodiment is when using, place protecting pipe body 3 between first support 13 and second support 14, screw up lock nut 10 afterwards, lock spring 7 can be compressed this moment, and this moment because roof 11, intermediate lamella 12 all is swing joint with check lock lever 9, so locking force to protecting pipe body 3 and lock nut 10's tightening degree this moment, there is the direct relation locking spring 7's compression amount promptly, accessible lock nut 10's tightening degree control is to protecting pipe body 3's locking force, and whole flexible fastening component 2 is flexible fixed relatively to protecting pipe body 3's fixed, can not lead to the fact the damage to protecting pipe body 3.

The problem that a plurality of protective sleeve bodies 3 are uniformly fixed, gaps among the protective sleeve bodies are guaranteed, and heat can be reliably dissipated is solved; as shown in fig. 2, the first bracket 13 and the second bracket 14 are both of an "M" -like structure; according to the invention, the first support 13 and the second support 14 which are directly contacted and fixed are arranged to be of an M-like structure, the side edges of the M shape of the first support are tangent to the outer wall of the protecting sleeve body 3, so that the fixing reliability of the protecting sleeve body 3 can be ensured, and the protecting sleeve body 3 can be fixed in each concave position, so that a plurality of protecting sleeve bodies 3 can be fixed at one time by the device, and a gap is reserved between the adjacent protecting sleeve bodies 3 after being fixed, so that the reliable heat dissipation of the protecting sleeve bodies can be ensured.

In order to solve the problem that the sheath tube bodies 3 with different diameters can be fixed; as shown in fig. 2 and 3, the first bracket 13 and the second bracket 14 are not located on the same vertical plane, and the widths of the middle plate 12 and the first bracket 13 are both smaller than the widths of two adjacent second brackets 14; when the protective sleeve is actually used, the first support 13 and the second support 14 are not on the same vertical plane, and the width of the first support is smaller than that of the adjacent second support 14, so that the first support 13 and the second support 14 can be in cross dislocation fit, the inner space of a diamond formed by the first support and the second support is changed, the diameter of an inscribed circle of the first support is variable, and the first support and the second support can change the position of the protective sleeve according to the diameter of the protective sleeve body 3 without adjusting the protective sleeve when aiming at the protective sleeve bodies 3 with different diameters.

This embodiment is when using, place protecting pipe body 3 between first support 13 and second support 14, screw up lock nut 10 afterwards, lock spring 7 can be compressed this moment, and this moment because roof 11, intermediate lamella 12 all is swing joint with check lock lever 9, so locking force to protecting pipe body 3 and lock nut 10's tightening degree this moment, there is the direct relation locking spring 7's compression amount promptly, accessible lock nut 10's tightening degree control is to protecting pipe body 3's locking force, and whole flexible fastening component 2 is flexible fixed relatively to protecting pipe body 3's fixed, can not lead to the fact the damage to protecting pipe body 3.

Example 2:

a fastening mechanism of a high-voltage power protective sleeve is shown in figures 1 and 4, and aims to solve the problem of height adjustment; the present embodiment is modified from embodiment 1 as follows: the table top is characterized by further comprising a second adjusting assembly 5, wherein the second adjusting assembly 5 comprises four mutually symmetrical supporting legs 18, a second adjusting screw 23 and a second adjusting nut 24, the second adjusting screw 23 and the second adjusting nut 24 are used in a matched mode, a first hinge block 16 is welded on the outer wall of the bottom of the table top 1, the supporting legs 18 are rotatably connected to the outer wall of the first hinge block 16 through first hinge rods 17, the inner walls of two adjacent supporting legs 18 are rotatably connected with adjusting plates 26 through second hinge rods 25, through holes are formed in the inner walls of the two adjusting plates 26, the second adjusting screw 23 is wrapped on the inner walls of the through holes, and the second adjusting nut 24 is connected to the outer wall of the second adjusting screw 23 through threads; when in actual use, the position of many cable harnesses is different, in order to make cable junction and cable be relatively impartial by the distance of parcel department, need carry out diversified displacement to fastening device, its horizontal displacement can be set up the position control by the device, when it needs adjustment fixed height, can twist second adjusting nut 24, make the distance between two regulating plates 26 change, thereby make the contained angle between the articulated piece 19 of second of two sets of symmetries change, thereby change the height of mesa 1 apart from ground, reach the purpose of adjusting fixed height.

When the table top is used, the second adjusting nut 24 can be screwed, so that the distance between the two adjusting plates 26 is changed, the included angle between the two symmetrical second hinging blocks 19 is changed, the height of the table top 1 from the ground is changed, and the purpose of adjusting the fixed height is achieved.

Example 3:

a fastening mechanism of a high-voltage power protective sleeve is shown in figures 1 and 4, and aims to solve the problem of height adjustment; the present embodiment makes the following improvements on the basis of embodiment 2: the adjusting device is characterized by further comprising a first adjusting assembly 4, wherein the first adjusting assembly 4 comprises a first adjusting screw rod 20 and an anti-skid cushion block 21, a second hinged block 19 is welded on the outer wall of the top of the anti-skid cushion block 21, adjusting holes are formed in the inner walls of the second hinged block 19 and the supporting leg 18, the first adjusting screw rod 20 is arranged on the inner walls of the two adjusting holes, and the inner wall of the other side of the first adjusting screw rod 20 is connected with a first adjusting nut 22 through threads; because when carrying out height control, landing leg 18 takes place to rotate, and its contact surface with ground changes, may cause and rock etc. and through being provided with first adjusting part 4, before height control, just become flexible first adjusting nut 22 for skid pad piece 21 and landing leg 18 can rotate relatively, height control afterwards, after height control finishes, the plane of skid pad piece 21 still with ground laminating this moment, it can to screw up first adjusting nut 22 afterwards, can guarantee the stability of device for ground.

In order to further solve the antiskid problem, as shown in fig. 5, the bottom outer wall of the antiskid cushion block 21 is provided with antiskid lines 27; the anti-slip lines 27 can further play a role of anti-slip.

When the height-adjustable antiskid mat is used, the first adjusting nut 22 is loosened before the height is adjusted, so that the antiskid mat block 21 and the supporting legs 18 can rotate relatively, then the height is adjusted, after the height is adjusted, the plane of the antiskid mat block 21 is attached to the ground, and then the first adjusting nut 22 is screwed.

Example 4:

a use method of a fastening mechanism of a high-voltage power protective sleeve comprises the following specific steps:

s1: loosening the first adjusting nut 22 and adjusting the desired height of the device by screwing the second adjusting nut 24;

s2: after the height adjustment is finished, the first adjusting nut 22 is screwed down;

s3: then the sheath tube body 3 is placed in the second bracket 14 concave position on the bottom plate 15;

s4: the first support 13 is sleeved on the locking rod 9, and then the first support is matched with the second support 14 on the bottom plate 15 through the action of gravity to limit the protective sleeve body 3 at the lowest row;

s5: subsequently, the second row of sheathing tube bodies 3 is placed in the recesses of the first brackets 13 on the intermediate plate 12;

s6: according to the number of the actual sheath pipe bodies 3, at this time, the number of the sheath pipe bodies 3 which can be fixed by continuously using the intermediate plate 12 for transition increase or the roof plate 11 for capping needs to be selected, if the intermediate plate 12 is used, the step S5 is repeated, and if the roof plate 11 is used, the following steps are continued;

s7: the top plate 11 is sleeved on the locking rod 9, then the locking nut 10 is screwed, the screwing depth of the locking nut 10 is determined according to the required locking force, and the whole fastening process is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The fastening mechanism of the high-voltage power protective sleeve comprises a table board (1), a flexible fastening assembly (2) arranged at the top of the table board (1) and a protective sleeve body (3) fastened through the flexible fastening assembly (2), and is characterized in that the flexible fastening assembly (2) comprises a first support (13) and a second support (14), a bottom plate (15) is fixed on the outer wall, close to the top of a locking rod (9), of the table board (1) through bolts, two linear arrays of the second supports (14) are installed on the outer wall, close to the top of the bottom plate (15), of the table board (1), the locking rods (9) are connected with the inner walls of four corners of the table board (1) in a sliding mode, an intermediate plate (12) and a top plate (11) are respectively arranged on the outer wall of the locking rod (9), and the other two linear arrays of the second supports (14) are installed on the outer wall of the bottom, two first support (13) fixed mounting is on the top and the bottom outer wall of intermediate lamella (12) respectively, the bottom outer wall fixed mounting of check lock lever (9) has stopper (6), be provided with locking spring (7) between mesa (1) and stopper (6), the top outer wall of check lock lever (9) has lock nut (10) through threaded connection, protective sheath body (3) joint in the relative one side outer wall of first support (13) and second support (14), the bottom outer wall of mesa (1) is provided with first adjusting part and second adjusting part respectively.

2. The fastening mechanism of the high-voltage power sheath according to claim 1, wherein the first bracket (13) and the second bracket (14) are both of an M-like structure.

3. The fastening mechanism of the high-voltage power sheath according to claim 2, characterized in that the first bracket (13) and the second bracket (14) are not located on the same vertical plane.

4. The fastening mechanism of the high-voltage power sheath pipe as claimed in claim 3, wherein the width of the middle plate (12) and the width of the first bracket (13) are smaller than the width of two adjacent second brackets (14).

5. The fastening mechanism of the high-voltage power sheath pipe as claimed in claim 1, wherein the second adjusting assembly (5) comprises four mutually symmetrical support legs (18), a second adjusting screw rod (23) and a second adjusting nut (24), the second adjusting screw rod and the second adjusting nut are used in cooperation, the first hinge block (16) is welded on the outer wall of the bottom of the table top (1), and the support legs (18) are rotatably connected to the outer wall of the first hinge block (16) through first hinge rods (17).

6. The fastening mechanism of the high-voltage power sheath pipe as claimed in claim 5, wherein an adjusting plate (26) is rotatably connected to the inner wall of each two adjacent supporting legs (18) through a second hinge rod (25), through holes are formed in the inner wall of each two adjusting plates (26), the second adjusting screw (23) is wrapped on the inner wall of each through hole, and the second adjusting nut (24) is connected to the outer wall of the second adjusting screw (23) through threads.

7. The fastening mechanism of the high-voltage power protective sleeve according to claim 1, wherein the first adjusting assembly (4) comprises a first adjusting screw rod (20) and a skid block (21), and a second hinge block (19) is welded on the outer wall of the top of the skid block (21).

8. The fastening mechanism of the high-voltage power sheath according to claim 7, wherein the second hinged block (19) and the inner wall of the leg (18) are provided with adjusting holes, the first adjusting screw (20) is arranged on the inner wall of the two adjusting holes, and the inner wall of the other side of the first adjusting screw (20) is connected with a first adjusting nut (22) through a thread.

9. The fastening mechanism of the high-voltage electric power protecting sleeve according to claim 8, wherein the bottom outer wall of the anti-skid cushion block (21) is provided with anti-skid grains (27).

10. A use method of a fastening mechanism of a high-voltage power protective sleeve is characterized by comprising the following specific steps:

s1: loosening the first adjusting nut (22), and adjusting the required height of the device by screwing the second adjusting nut (24);

s2: after the height adjustment is finished, the first adjusting nut (22) is screwed down;

s3: then, the protective sleeve body (3) is placed in a concave position of a second bracket (14) on the bottom plate (15);

s4: sleeving the first support (13) on the locking rod (9), and then matching the first support with the second support (14) on the bottom plate (15) through the action of gravity to limit the protective sleeve body (3) at the lowest row;

s5: subsequently, a second row of protective sleeve bodies (3) is placed in the concave position of the first bracket (13) on the middle plate (12);

s6: according to the number of the actual sheath pipe bodies (3), selecting whether to continue using the intermediate plate (12) for transition to increase the number of the sheath pipe bodies (3) which can be fixed or to use the top plate (11) for capping, if the intermediate plate (12) is used, repeating the step S5, and if the top plate (11) is used, continuing the following steps;

s7: sleeving the top plate (11) on the locking rod (9), then screwing the locking nut (10), and determining the screwing depth of the locking nut (10) according to the required locking force to complete the whole fastening process.

Images