CN216390296U

CN216390296U - Steel rope pressing device and wire tightening device

Info

Publication number: CN216390296U
Application number: CN202123006532.0U
Authority: CN
Inventors: 耿桂荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-26
Anticipated expiration: 2031-12-01

Abstract

The utility model provides a steel rope compactor and a wire tightener, and relates to the technical field of wire tighteners. A steel rope pressing device comprises a cylinder body, a connecting buckle and at least one locking bolt, wherein at least one through hole is formed in the side wall of the cylinder body, the locking bolts correspondingly extend into the through holes one to one and are in threaded connection with the cylinder body, and the connecting buckle is arranged at any end of the cylinder body. A through groove is formed in the side wall of the barrel body, the through groove is formed in the axial direction of the barrel body, and the through groove is located on one side of the bolt. This steel cable compactor can carry out effectual compressing tightly to wire rope, and it also has simple structure, makes the advantage that convenient, the cost is lower and can recycle. The utility model also provides a steel rope tensioning device, which comprises a steel rope pressing device and a tensioning assembly. The steel rope tightening device can enable the tightening adjustment of the steel wire to be simpler and more convenient, the adjustment stroke is wider, the structure is simple, the cost is low, and the steel rope tightening device can be repeatedly used.

Description

Steel rope pressing device and wire tightening device

Technical Field

The utility model relates to the technical field of wire tighteners, in particular to a steel rope pressing device and a wire tightener.

Background

A general wire grip is used for tensioning a wire in an overhead line laying construction. When the wire grip is used, the steel wire rope or the galvanized iron wire on the wire grip is firstly loosened and fixed on the cross arm, the wire is clamped by the wire grip, and then the special wrench is pulled. Due to the anti-reversion function of the pawl, the steel wire rope or the galvanized iron wire is gradually wound on the ratchet wheel roller, so that the wire is tightened. And fixing the tightened lead on the insulator. Then the pawl is firstly loosened to loosen the steel wire rope or the galvanized iron wire, then the wire clamp is loosened, and finally the steel wire rope or the galvanized iron wire is wound on the roller of the ratchet wheel. The existing wire tightener is complex in structure, inconvenient to operate and high in cost, and needs to be operated by multiple people. The existing turn buckle is stretched by using a lead screw, and the tightness of a steel wire rope can be adjusted. The components may be tied up in component transport and loosened in installation correction. But the turn buckle can not be retrieved after using, can cause very big cost problem, and turn buckle's regulation stroke is shorter, and is not good to the taut regulation effect of the longer wire rope of length.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steel rope pressing device which can effectively press a steel rope and has the advantages of simple structure, convenience in manufacturing, lower cost and recycling.

Another object of the present invention is to provide a steel rope tensioning device, which can make the tensioning adjustment of the steel wire simpler and more convenient, and the adjustment stroke is wider, and the structure is simple, the cost is low, and the device can be used repeatedly.

The embodiment of the utility model is realized by the following steps:

in a first aspect, an embodiment of the present application provides a steel rope presser, including a cylinder, a connector and at least one locking bolt, where at least one through hole is formed in a side wall of the cylinder, the locking bolts extend into the through holes in a one-to-one correspondence manner and are in threaded connection with the cylinder, and the connector is disposed at any end of the cylinder;

a through groove is formed in the side wall of the barrel body, the through groove is formed in the axial direction of the barrel body, and the through groove is located on one side of the bolt.

In some embodiments of the present invention, a non-slip pad is disposed at an end of the locking bolt extending into the through hole.

In some embodiments of the present invention, an auxiliary sleeve is disposed between the locking bolt and the barrel, the auxiliary sleeve is sleeved on the locking bolt, the auxiliary sleeve is in threaded connection with the locking bolt, and one end of the auxiliary sleeve is fixed on the barrel.

In some embodiments of the present invention, an anti-slip layer is disposed on an inner wall of the cylinder.

In some embodiments of the present invention, the anti-slip layer is provided with anti-slip lines.

In some embodiments of the present invention, the two ends of the cylinder are provided with wire clamping assemblies.

In some embodiments of the present invention, the wire clamping assembly includes two limiting blocks, and a limiting groove is defined between the two limiting blocks.

In some embodiments of the present invention, a rotating handle is disposed at one end of the locking bolt located outside the barrel.

In a second aspect, the present invention provides a cable tensioner comprising a cable presser and a tension member, the tension end of the tension member being connected to the cable presser.

In some embodiments of the utility model, the tensioning assembly comprises a chain block, and the hook of the chain block is connected to the steel rope presser.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the utility model provides a steel rope pressing device which comprises a cylinder, a connecting buckle and at least one locking bolt. The cylinder is used for penetrating the steel rope, the connecting buckle is used for connecting a fixing point, and the locking bolt is used for fixing one end of the steel rope on the cylinder. The side wall of the cylinder body is provided with at least one through hole, the locking bolts correspondingly extend into the through holes one to one and are in threaded connection with the cylinder body, and the connecting buckle is arranged at any end of the cylinder body. The through hole that sets up on the lateral wall of above-mentioned barrel is used for making the locking bolt can stretch into in the barrel, through threaded connection's mode, makes the locking bolt stretch into the barrel. Then after the locking bolt is screwed down, the locking bolt contacts the steel rope and exerts a force on the steel rope to increase the friction coefficient between the steel rope and the cylinder body, so that the steel rope in the cylinder body can be locked and fixed, and the steel rope can be effectively prevented from being separated from the cylinder body. A through groove is formed in the side wall of the barrel body, the through groove is formed in the axial direction of the barrel body, and the through groove is located on one side of the bolt. The through grooves can enable the steel rope to be clamped into the cylinder body along the through grooves, the steel rope can be fixed with the corresponding connecting points after being tensioned, and the locking bolt can be rotated at the moment to enable the steel rope and the locking bolt to be loosened. After the steel rope is loosened, the steel rope can be moved out along the through groove, and therefore the steel rope pressing device can be used repeatedly. The through groove is positioned on one side of the bolt, so that the bolt can be prevented from being aligned to the through groove, and the effect of compressing the steel rope can not be achieved.

Therefore, the steel rope pressing device can effectively press the steel wire rope, and has the advantages of simple structure, convenience in manufacturing, lower cost and recycling.

The utility model also provides a steel rope tensioning device, which comprises the steel rope presser and a tensioning assembly, wherein the tensioning end of the tensioning assembly is connected with the steel rope presser. The steel rope squeezer is used for fixing one end of a steel rope, the tensioning assembly is connected with the steel rope squeezer through the connecting buckle, the tensioning assembly is connected with a tensioning point, the steel rope squeezer is pulled through the tensioning assembly, the steel rope pressed on the steel rope squeezer can be moved to a position needing to be tensioned, the steel rope at the end is connected with the point needing to be connected, the steel rope squeezer can be loosened, the steel rope in the steel rope squeezer is separated from the steel rope squeezer, and tensioning adjustment of the steel rope is completed.

Therefore, the steel rope tightening device can enable the tightening adjustment of the steel wire to be simpler and more convenient, the adjustment stroke is wider, the structure is simple, the cost is low, and the steel rope tightening device can be repeatedly used.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic cross-sectional view of a cable presser in accordance with an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic three-dimensional view of a cable presser in accordance with an embodiment of the present invention;

fig. 4 is a schematic structural view of a steel rope tensioner in an embodiment of the present invention.

Icon: 1-barrel, 2-rotating handle, 3-fixing nut, 4-locking screw, 5-auxiliary sleeve, 6-connecting buckle, 7-limiting block, 8-limiting groove, 9-through groove, 10-anti-slip layer, 11-anti-slip pad, 12-anti-slip pattern, 13-chain block, 14-steel rope compressor, 15-steel rope.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the appearances of the terms first, second, third, etc. in this specification are only used for distinguishing between similar elements and not necessarily for describing or implying any particular importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "plurality" if any, means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

Referring to fig. 1, fig. 1 is a schematic cross-sectional view of a steel rope presser in an embodiment of the present invention; FIG. 2 is an enlarged view taken at A in FIG. 1; fig. 3 is a schematic cross-sectional view of a cable presser in an embodiment of the present invention. The embodiment provides a steel rope pressing device which comprises a cylinder body 1, a connecting buckle 6 and at least one locking bolt. The cylinder 1 is used for passing through the rod steel cable 15, the connecting buckle 6 is used for connecting a fixing point, and the locking bolt is used for fixing one end of the steel cable 15 on the cylinder 1. At least one through hole is arranged on the side wall of the cylinder body 1, the locking bolts correspondingly extend into the through holes one by one and are in threaded connection with the cylinder body 1, and the connecting buckle 6 is arranged at any end of the cylinder body 1. The through hole that sets up on the lateral wall of above-mentioned barrel 1 is used for making in the locking bolt can stretch into barrel 1, through threaded connection's mode, makes the locking bolt stretch into barrel 1. Then after the locking bolt is screwed, the locking bolt contacts the steel rope 15 and exerts a force on the steel rope 15 so as to increase the friction coefficient between the steel rope 15 and the barrel body 1, so that the steel rope 15 in the barrel body 1 can be locked and fixed, and the steel rope 15 can be effectively prevented from being separated from the barrel body 1.

In this embodiment, a through groove 9 is formed in the side wall of the cylinder 1, the through groove 9 is formed along the axial direction of the cylinder 1, and the through groove 9 is located on one side of the bolt. The through groove 9 can enable the steel rope 15 to be clamped into the barrel body 1 along the through groove 9, after the steel rope 15 is tensioned, the steel rope 15 and a corresponding connecting point can be fixed, and at the moment, the locking bolt can be rotated, so that the steel rope 15 and the locking bolt can be loosened. After releasing the steel cord 15, the steel cord 15 can be removed along the through slot 9, thereby allowing the cord press to be reused. The through groove 9 is located on one side of the bolt, so that the bolt can be prevented from being aligned to the through groove 9, and the effect of compressing the steel rope 15 cannot be achieved.

Example 2

Referring to fig. 1 and 2, fig. 1 is a schematic cross-sectional view of a cable presser in an embodiment of the present invention; fig. 2 is an enlarged view of a point a in fig. 1. This embodiment provides a cable presser substantially the same as the cable presser provided in embodiment 1, except that a non-slip mat 11 is provided at an end of the lock bolt extending into the through hole.

In this embodiment, the anti-slip pad 11 on the locking bolt is used to increase the friction coefficient between the locking bolt and the steel cable 15, so that the steel cable 15 and the locking bolt can be connected more tightly, and the steel cable 15 can be effectively prevented from moving along the axial direction of the barrel 1, thereby causing the steel cable 15 to fall off.

Example 3

Referring to fig. 1 and 2, fig. 1 is a schematic cross-sectional view of a cable presser in an embodiment of the present invention; fig. 2 is an enlarged view of a point a in fig. 1. The present embodiment provides a steel rope fastener, which is substantially the same as the steel rope fastener provided in embodiment 1, and the main difference is that an auxiliary sleeve 5 is provided between the locking bolt and the cylinder 1, the auxiliary sleeve 5 is sleeved on the locking bolt, the auxiliary sleeve 5 is in threaded connection with the locking bolt, and one end of the auxiliary sleeve 5 is fixed on the cylinder 1.

In this embodiment, the auxiliary sleeve 5 is used to increase the connection stability of the locking bolt with the cylinder 1. The internal thread formed in the auxiliary sleeve 5 is in matching butt joint with the internal thread on the inner wall of the through hole, so that the locking bolt can be sequentially screwed into the auxiliary sleeve 5 and the through hole. The auxiliary sleeve 5 increases the stroke of the internal thread, so that the locking bolt is more stably arranged on the barrel 1.

Example 4

Referring to fig. 1 and 2, fig. 1 is a schematic cross-sectional view of a cable presser in an embodiment of the present invention; fig. 2 is an enlarged view of a point a in fig. 1. This embodiment provides a cable presser, which is substantially the same as the cable presser provided in embodiment 1, and is mainly different in that an anti-slip layer 10 is provided on the inner wall of the cylinder 1.

In this embodiment, the anti-slip layer 10 can prevent the steel cable 15 from slipping when the steel cable 15 contacts the inner wall of the cylinder 1, so that the steel cable 15 can be prevented from falling off along the axial direction of the cylinder 1.

Example 5

Referring to fig. 1 and 2, fig. 1 is a schematic cross-sectional view of a cable presser in an embodiment of the present invention; fig. 2 is an enlarged view of a point a in fig. 1. This embodiment provides a steel rope fastener, which is substantially the same as the steel rope fastener provided in embodiment 1, and the main difference is that the anti-slip layer 10 is provided with anti-slip threads 12.

In this embodiment, the anti-slip pattern 12 is used to further increase the friction coefficient between the anti-slip layer 10 and the steel cord 15, and the surface roughness of the anti-slip layer 10 is increased to further increase the friction effect between the steel cord 15 and the anti-slip layer 10, thereby preventing the steel cord 15 from falling off.

Example 6

Referring to fig. 3, fig. 1 is a schematic cross-sectional view of a cable presser in an embodiment of the present invention. This embodiment provides a steel rope fastener, which is substantially the same as the steel rope fasteners provided in embodiments 1 to 6, and the main difference is that both ends of the cylinder 1 are provided with wire clamping assemblies.

In this embodiment, the wire clamping assembly is used for clamping the steel cable 15, so as to prevent the steel cable 15 from moving in a non-axial direction, which causes friction with the barrel 1 and damages to the steel cable 15.

Example 7

Referring to fig. 3, fig. 3 is a schematic three-dimensional structure of a cable presser in an embodiment of the present invention. This embodiment provides a cable presser, which is substantially the same as the cable presser provided in embodiment 6, and the main difference is that the wire clamping assembly includes two stoppers 7, and a stopper groove 8 is defined between the two stoppers 7.

In this embodiment, the two limiting blocks 7 are respectively located at two sides of the steel cable 15, so that the steel cable 15 is located in the limiting groove 8, and the effective direction steel cable 15 rubs against the barrel 1.

Example 8

Referring to fig. 1 and 3, fig. 1 is a schematic cross-sectional view of a cable presser in an embodiment of the present invention; fig. 3 is a schematic three-dimensional structure of a cable presser in an embodiment of the present invention. This embodiment provides a cable presser, which is substantially the same as the cable presser provided in embodiment 1, and is mainly different in that a rotary handle 2 is provided at one end of the lock bolt located outside the cylinder 1.

In this embodiment, the rotating handle 2 is disposed on the locking bolt, and includes two handles, and the two handles are respectively symmetrically disposed on two sides of the locking bolt. When the locking bolt needs to be selected, the locking bolt can be rotated by rotating the two handles. Similarly, in this embodiment, the end of the lockbolt located at the end outside the cylinder 1 is provided with a fixing nut 3, and the fixing nut 3 is welded to the lockbolt. Thus, the locking nut 3 can be rotated by a tool such as a wrench to rotate the locking bolt.

When the locking bolt is used, the steel rope 15 is clamped into the barrel body 1 through the through groove 9, and the locking bolt is rotated to extend into the barrel body 1. The locking bolt is extended into the cylinder 1 by a threaded connection mode. Then after the locking bolt is screwed, the locking bolt contacts the steel rope 15 and exerts a force on the steel rope 15 so as to increase the friction coefficient between the steel rope 15 and the barrel body 1, so that the steel rope 15 in the barrel body 1 can be locked and fixed, and the steel rope 15 can be effectively prevented from being separated from the barrel body 1. After the cable 15 is tensioned, the cable 15 can be fixed to the corresponding connection point, and the locking bolt can be rotated to release the cable 15 from the locking bolt. After releasing the steel cord 15, the steel cord 15 can be removed along the through slot 9, thereby allowing the cord press to be reused.

Example 9

Referring to fig. 1 and 4, fig. 1 is a schematic cross-sectional view of a cable presser in an embodiment of the present invention; fig. 4 is a schematic structural view of a steel rope tensioner in an embodiment of the present invention. This embodiment provides a rope tensioner comprising the rope presser 14 of the above embodiments 1 to 8 and a tension member having a tension end connected to the rope presser 14. The cable presser 14 is used for fixing one end of the steel cable 15, the tension assembly is connected with the cable presser 14 through the connecting buckle 6, the steel cable 15 pressed on the cable presser 14 can be moved to a position to be tensioned by connecting the tension assembly with a tension point and pulling the cable presser 14 through the tension assembly, and after the steel cable 15 at the end is connected with the point to be connected, the cable presser 14 can be released, the steel cable 15 in the cable presser 14 is separated from the cable presser 14, so that the tension adjustment of the steel cable 15 is completed.

Example 10

Referring to fig. 4, fig. 4 is a schematic structural view of a steel rope tensioning device in an embodiment of the present invention. This embodiment provides a steel rope tensioning device, which is substantially the same as the steel rope presser provided in embodiment 9, and the main difference is that the tensioning assembly includes a chain block 13, and the hook of the chain block 13 is connected to the steel rope presser 14.

In this embodiment, the chain block 13 is a manual hoisting machine that is simple to use and convenient to carry. The lifting device has the characteristics of safety, reliability, simplicity and convenience in maintenance, high mechanical efficiency, small tension of the bracelet, light self weight, convenience in carrying, attractive appearance, small size and durability, and is suitable for being used as an installation machine and a lifting cargo in factories, mines, construction sites, wharfs, docks, warehouses and the like. Utilize chain block 13 can prolong the regulation stroke in this embodiment, can pull into the regulation to the longer steel cable 15 of distance, and adjust convenient and fast, only need alone can accomplish, can practice thrift the human cost. During the use, fix the fixed hook of chain block 13 in preset position, then be connected the lifting hook of above-mentioned chain block 13 with connector link 6 of above-mentioned steel cable collet 14, through manual drive chain block 13, make the lifting hook of chain block 13 do and need the tie point motion of being close to steel cable 15, after reaching preset position, be connected 15 ends of steel cable and tie point, make steel cable 15 thoroughly accomplish taut regulation, rotatable above-mentioned locking bolt this moment, after loosening locking bolt, it can to move out barrel 1 along above-mentioned logical groove 9.

In summary, the embodiment of the present invention provides a rope presser 14 and a wire tensioner. The cable presser 14 comprises a barrel 1, a connector stud 6 and at least one locking bolt. The cylinder 1 is used for passing through the rod steel cable 15, the connecting buckle 6 is used for connecting a fixing point, and the locking bolt is used for fixing one end of the steel cable 15 on the cylinder 1. At least one through hole is arranged on the side wall of the cylinder body 1, the locking bolts correspondingly extend into the through holes one by one and are in threaded connection with the cylinder body 1, and the connecting buckle 6 is arranged at any end of the cylinder body 1. The through hole that sets up on the lateral wall of above-mentioned barrel 1 is used for making in the locking bolt can stretch into barrel 1, through threaded connection's mode, makes the locking bolt stretch into barrel 1. Then after the locking bolt is screwed, the locking bolt contacts the steel rope 15 and exerts a force on the steel rope 15 so as to increase the friction coefficient between the steel rope 15 and the barrel body 1, so that the steel rope 15 in the barrel body 1 can be locked and fixed, and the steel rope 15 can be effectively prevented from being separated from the barrel body 1. A through groove 9 is formed in the side wall of the cylinder 1, the through groove 9 is formed along the axial direction of the cylinder 1, and the through groove 9 is located on one side of the bolt. The through groove 9 can enable the steel rope 15 to be clamped into the barrel body 1 along the through groove 9, after the steel rope 15 is tensioned, the steel rope 15 and a corresponding connecting point can be fixed, and at the moment, the locking bolt can be rotated, so that the steel rope 15 and the locking bolt can be loosened. After releasing the wire 15, the wire 15 can be removed along the through slot 9, thereby allowing the wire presser 14 to be reused. The through groove 9 is located on one side of the bolt, so that the bolt can be prevented from being aligned to the through groove 9, and the effect of compressing the steel rope 15 cannot be achieved. The rope presser 14 thus effectively compresses the steel rope, and has the advantages of simple structure, easy manufacture, low cost and recycling. The present invention also provides a wire tensioning device for a steel cord 15, comprising said cord presser 14 and a tensioning assembly, the tensioning end of said tensioning assembly being connected to said cord presser 14. The cable presser 14 is used for fixing one end of the steel cable 15, the tension assembly is connected with the cable presser 14 through the connecting buckle 6, the steel cable 15 pressed on the cable presser 14 can be moved to a position to be tensioned by connecting the tension assembly with a tension point and pulling the cable presser 14 through the tension assembly, and after the steel cable 15 at the end is connected with the point to be connected, the cable presser 14 can be released, the steel cable 15 in the cable presser 14 is separated from the cable presser 14, so that the tension adjustment of the steel cable 15 is completed. Therefore, the steel rope 15 tightening device can enable the tightening adjustment of the steel wire to be simpler and more convenient, has wider adjustment stroke, simple structure and low cost, and can be repeatedly used.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel rope pressing device is characterized by comprising a cylinder body, a connecting buckle and at least one locking bolt, wherein at least one through hole is formed in the side wall of the cylinder body, the locking bolts correspondingly extend into the through holes one by one and are in threaded connection with the cylinder body, and the connecting buckle is arranged at any end of the cylinder body;

2. A rope presser as claimed in claim 1, wherein a non-slip pad is provided at the end of said locking bolt extending into said through hole.

3. A steel rope presser as claimed in claim 1, wherein an auxiliary sleeve is provided between said lock bolt and said cylinder, said auxiliary sleeve is sleeved on said lock bolt and is in threaded connection with said lock bolt, and one end of said auxiliary sleeve is fixed on said cylinder.

4. A steel rope presser as claimed in claim 1, characterized in that an anti-slip layer is provided on the inner wall of said cylinder.

5. A steel rope presser as claimed in claim 4, wherein said anti-slip layer is provided with anti-slip pattern.

6. A steel rope presser according to any one of claims 1 to 5, wherein both ends of said cylinder are provided with wire clamping assemblies.

7. A rope presser according to claim 6, wherein said wire clamping assembly includes two stoppers defining a stopper groove therebetween.

8. A rope presser as claimed in claim 1, wherein said lock bolt is provided with a rotary knob at one end thereof located outside the cylinder.

9. A steel cord tensioner comprising a steel cord presser as claimed in any one of claims 1 to 8 and a tension member, the tension end of said tension member being connected to said steel cord presser.

10. A steel rope tensioner as claimed in claim 9, wherein said tension assembly comprises a chain block, the hook of said chain block being connected to said rope tensioner.