阅读说明：本技术 精密排线装置 (Precise wire arranging device ) 是由 张守义 朱刚贤 王金明 于 2021-11-16 设计创作，主要内容包括：本发明公开了精密排线装置,包括侧板,所述侧板的内侧设置有导柱,且侧板的内侧安装有定位螺杆,所述导柱上安装有滑动座,且滑动座上安装有调节架。本发明所述的精密排线装置,属于排线装置领域,测距结构可以直观地知道两个夹持辊之间的距离大小,不需要利用线缆进行对比,提高了使用简便性,测距结构采用安装套、销轴、螺柱等结构,保证安装套与测距件的适配使用灵活性,测距件采用拼接结构,可以根据实际情况进行长度调节,通过设置的张紧架,利用弹簧等结构,可以利用张紧架连接侧板,保证侧板等结构组装后的稳固性,采用伸缩螺杆、限位板等结构,可以一定范围内进行张紧架整体长度的调节,提高使用灵活度。(The invention discloses a precise wire arranging device which comprises a side plate, wherein a guide pillar is arranged on the inner side of the side plate, a positioning screw rod is arranged on the inner side of the side plate, a sliding seat is arranged on the guide pillar, and an adjusting frame is arranged on the sliding seat. The invention relates to a precise wire arranging device, which belongs to the field of wire arranging devices, wherein a distance measuring structure can intuitively know the distance between two clamping rollers, a cable is not needed for comparison, the use simplicity is improved, the distance measuring structure adopts a mounting sleeve, a pin shaft, a stud and other structures, the adaptation use flexibility of the mounting sleeve and a distance measuring piece is ensured, the distance measuring piece adopts a splicing structure, the length can be adjusted according to the actual condition, through an arranged tensioning frame, the structures such as a spring and the like are utilized, the tensioning frame can be utilized for connecting side plates, the stability of the side plates and other structures after assembly is ensured, the structures such as a telescopic screw rod and a limiting plate are adopted, the whole length of the tensioning frame can be adjusted within a certain range, and the use flexibility is improved.)

1. Accurate winding displacement device, including curb plate (1), the inboard of curb plate (1) is provided with guide pillar (2), and the inboard of curb plate (1) installs positioning screw (3), install sliding seat (4) on guide pillar (2), and install on sliding seat (4) alignment jig (6), install first grip roller (7) and second grip roller (8) on alignment jig (6), fixed mounting has guide pole (5), its characterized in that on curb plate (1): the top ends of the first clamping roller (7) and the second clamping roller (8) are connected with a distance measuring structure (9), the distance measuring structure (9) comprises an installation sleeve (901), a measuring plate (902) and a distance measuring piece (905), the installation sleeve (901) and the measuring plate (902) are fixedly connected, the installation sleeve (901) is installed at the top ends of the first clamping roller (7) and the second clamping roller (8), the distance measuring piece (905) is connected between the measuring plate (902), the adjusting frame (6) is provided with a guide roller (10), a tensioning frame (11) is installed between the side plates (1), the tensioning frame (11) comprises a cross rod (1101), a movable rod (1103) and a abutting block (1104), the movable rod (1103) is fixedly connected with the abutting block (1104), the movable rod (1103) is connected to the cross rod (1101), the abutting block (1104) is contacted with the side plates (1), the measuring device is characterized in that a connecting hole is formed in a measuring plate (902) located at the second clamping roller (8), a round hole is formed in the measuring plate (902) located at the first clamping roller (7), the distance measuring piece (905) comprises a connecting rod (9051), scale marks (9052), a threaded joint (9053) and a threaded hole (9054), the scale marks (9052) are arranged on the connecting rod (9051), the threaded joint (9053) is fixed at one end of the connecting rod (9051), the threaded joint (9053) is in threaded connection with the connecting hole, the threaded hole (9054) is formed in the other end of the connecting rod (9051), and the connecting rod (9051) penetrates through the round hole in the measuring plate (902).

2. The precision traversing apparatus according to claim 1, wherein: the side plate (1) is provided with a bearing, the end part of the guide post (2) is connected in the bearing on the side plate (1), the end part of the positioning screw rod (3) is provided with a connecting nut, and the positioning screw rod (3) is fixed on the side plate (1) through the connecting nut.

3. The precision traversing apparatus according to claim 2, wherein: the positioning screw rod (3) is provided with a positioning block, the positioning block is in threaded connection with the positioning screw rod (3), the sliding seat (4) is provided with a roller, and the roller is clamped on the guide rod (5).

4. The precision traverse device of claim 3, wherein: the sensor is arranged on the sliding seat (4), the sliding seat (4) is fixedly connected with the adjusting frame (6), the support is installed on the adjusting frame (6) and is fixed on the adjusting frame (6) through screws, and the guide roller (10) is rotatably connected onto the support.

5. The precision traversing apparatus according to claim 1, wherein: the adjusting bracket (6) comprises a mounting seat (601), a bidirectional screw rod (602) and an adjusting block (603), the bidirectional screw rod (602) is rotatably connected to the mounting seat (601), the tail end of the bidirectional screw rod (602) is provided with a rotating wheel, a round bar is arranged between the mounting seat (601), the adjusting block (603) is sleeved on the bidirectional screw rod (602) and the round bar, and the adjusting block (603) is in threaded connection with the bidirectional screw rod (602).

6. The precision traversing apparatus according to claim 1, wherein: the distance measuring structure (9) further comprises a pin shaft (903) and studs (904), the installation sleeve (901) and the measuring plate (902) are integrally formed, through holes are formed in the installation sleeve (901), the pin shaft (903) and the studs (904) are fixedly connected, the pin shaft (903) is located in the through holes in the installation sleeve (901), the studs (904) are in threaded connection with the first clamping roller (7) and the second clamping roller (8) respectively, and the installation sleeve (901) is rotatably installed on the first clamping roller (7) and the second clamping roller (8) through the pin shaft (903) and the studs (904).

7. The precision traversing apparatus according to claim 1, wherein: tensioning frame (11) still includes regulation screw (1102), spring (1105), telescopic screw (1106) and limiting plate (1107), regulation screw (1102) are seted up on horizontal pole (1101), and have seted up the cavity on horizontal pole (1101), movable rod (1103) with support tight piece (1104) between integrated into one piece, and movable rod (1103), support tight piece (1104) and seted up the through-hole, spring (1105) are arranged in the cavity on horizontal pole (1101).

8. The precision traversing apparatus according to claim 7, wherein: the one end of activity pole (1103) is arranged in the cavity on horizontal pole (1101), and the end of activity pole (1103) contacts with spring (1105), fixed connection between telescopic screw (1106) and limiting plate (1107), and telescopic screw (1106) pass activity pole (1103), support the through-hole on tight piece (1104), the end of telescopic screw (1106) passes spring (1105) and connects in adjusting screw hole (1102), and threaded connection between the end of telescopic screw (1106) and adjusting screw hole (1102), threaded connection between telescopic screw (1106) and horizontal pole (1101).

Technical Field

The invention relates to the field of wire arranging devices, in particular to a precise wire arranging device.

Background

The wire arranging device is also called a wire arranging device and a wire arranging machine, and is an auxiliary device for ensuring the winding precision of the cable. The finished product of the cable is collected by the winding displacement machine and is wound into a coil on the winding disc, in the process, the finished product cable is drawn by the drawing disc and is wound into the coil through the guiding of the winding displacement device, and finally, the winding displacement part in the winding displacement device is driven by the power mechanism to slide in a left-right reciprocating mode along the horizontal direction when the winding displacement device guides the cable, so that the cable is uniformly wound on the winding disc.

The use of winding displacement device can avoid the cable to overlap and convolute on the take-up reel, is the important auxiliary device when cable class structure is convoluteed, and chinese patent number is: CN203269209U discloses a winding displacement ware, and in this patent, through setting up structures such as damping ring, damping spring, simple structure, direction effectual can prevent that the cable from being worn and torn, guarantees the quality of cable. However, in the above patent, although the distance between the guide rollers for clamping and guiding the cables can be adjusted, the distance cannot be intuitively known, the corresponding cables need to be used for comparison, and the adjustment is not easy, and the wire arranging device in the above patent is the same as a common wire arranging device, and is connected by using guide posts, positioning screws and the like, so that the number of connecting parts is small, the stability after connection is general, and certain limitation exists during use.

Disclosure of Invention

The invention mainly aims to provide a precise wire arranging device which can effectively solve the problems in the background technology.

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

the precise wire arranging device comprises a side plate, wherein a guide pillar is arranged on the inner side of the side plate, a positioning screw rod is arranged on the inner side of the side plate, a sliding seat is arranged on the guide pillar, an adjusting frame is arranged on the sliding seat, a first clamping roller and a second clamping roller are arranged on the adjusting frame, a guide rod is fixedly arranged on the side plate, the top ends of the first clamping roller and the second clamping roller are connected with a distance measuring structure, the distance measuring structure comprises an installation sleeve, a measuring plate and a distance measuring part, the installation sleeve and the measuring plate are fixedly connected, the installation sleeve is arranged on the top ends of the first clamping roller and the second clamping roller, the distance measuring part is connected between the measuring plates, the guide roller is arranged on the adjusting frame, a tensioning frame is arranged between the side plates and comprises a transverse rod, a movable rod and a abutting block, the movable rod and the abutting block are fixedly connected, and the movable rod is connected to the transverse rod, the tight piece of support contacts in the curb plate, is located connecting hole has been seted up on the measuring plate of second grip roller department, and round hole has been seted up on the measuring plate that is located first grip roller department, it includes connecting rod, scale mark, screwed joint and screw hole to find range the piece, the scale mark sets up on the connecting rod, screwed joint is fixed in the one end of connecting rod, and threaded connection between screwed joint and the connecting hole, the other end at the connecting rod is seted up to the screw hole, and the connecting rod passes the round hole on the measuring plate, and the piece that finds range adopts mosaic structure, can carry out length adjustment according to actual conditions, simple structure, convenient and fast that the use gets up.

Preferably, the side plate is provided with a bearing, the end part of the guide pillar is connected to the bearing on the side plate, the end part of the positioning screw rod is provided with a connecting nut, the positioning screw rod is fixed on the side plate through the connecting nut, the positioning screw rod can be rapidly detached, the structure is simple, and the operation is convenient and rapid.

Preferably, the positioning screw is provided with a positioning block, the positioning block is in threaded connection with the positioning screw, the sliding seat is provided with a roller, the roller is clamped on the guide rod, the roller on the sliding seat is matched with the guide rod for use, and the stability and the smoothness of the movement of the sliding seat are ensured.

Preferably, be provided with the sensor on the sliding seat, and fixed connection between sliding seat and the alignment jig, install the support on the alignment jig, and the support passes through the fix with screw on the alignment jig, the guide roller rotates and connects on the support, and the sensor is used for fixing a position, and the stroke is unchangeable when guaranteeing the sliding seat back and forth movement.

Preferably, the alignment jig includes mount pad, two-way lead screw and regulating block, two-way lead screw rotates to be connected on the mount pad, and the end of two-way lead screw is provided with the runner, be equipped with the round bar between the mount pad, on two-way lead screw and round bar were located to the regulating block cover, and threaded connection between regulating block and the two-way lead screw, the alignment jig can carry out synchronous regulation to first grip roller and second grip roller, improves and uses accurate nature.

Preferably, the distance measuring structure further comprises a pin shaft and a stud, the mounting sleeve and the measuring plate are integrally formed, the mounting sleeve is provided with a through hole, the pin shaft is fixedly connected with the stud, the pin shaft is positioned in the through hole on the mounting sleeve, the two studs are respectively in threaded connection with the first clamping roller and the second clamping roller, the two mounting sleeves are rotatably mounted on the first clamping roller and the second clamping roller through pin shafts and the studs, and through the arranged distance measuring structure, the distance between the two clamping rollers can be directly known, so that the distance after adjustment can be known at the first time during adjustment, the comparison by cables is not needed, the use convenience is improved, the distance measuring structure adopts the structures of an installation sleeve, a pin shaft, a stud and the like, after the installation sleeve is installed, the installation sleeve can rotate around the pin shaft, and the flexibility of the adaptation use of the installation sleeve and the distance measuring piece is guaranteed.

Preferably, the tensioning frame is still including adjusting screw, spring, telescopic screw and limiting plate, adjust the screw and offer on the horizontal pole, and seted up the cavity on the horizontal pole, movable rod and support integrated into one piece between the tight piece, and the movable rod, support and seted up the through hole on the tight piece, the spring is arranged in the cavity on the horizontal pole, and through the tensioning frame that sets up, utilize spring isotructure, can utilize the tensioning frame to connect the curb plate, guarantee the steadiness after the equipment of curb plate isotructure.

Preferably, the one end of movable rod is arranged in the cavity on the horizontal pole, and the end of movable rod contacts with the spring, fixed connection between flexible screw rod and the limiting plate, and flexible screw rod pass the movable rod, support the through hole on the tight piece, the end of flexible screw rod passes spring coupling in adjusting the screw, and threaded connection between the end of flexible screw rod and the adjusting screw, threaded connection adopts flexible screw rod, limiting plate isotructure between flexible screw rod and the horizontal pole, can carry out the regulation of tensioning frame overall length in the certain limit, improves and uses the flexibility ratio.

Compared with the prior art, the invention has the following beneficial effects: according to the precise wire arranging device, 1, the distance between the two clamping rollers can be intuitively known through the arranged distance measuring structure, so that the adjusted distance can be known at the first time during adjustment, comparison by a cable is not needed, and the use convenience is improved;

2. the distance measuring structure adopts the structures of the mounting sleeve, the pin shaft, the stud and the like, and after the mounting sleeve is mounted, the mounting sleeve can rotate around the pin shaft, so that the adaptation use flexibility of the mounting sleeve and the distance measuring piece is ensured;

3. the distance measuring piece adopts a splicing structure, can adjust the length according to the actual condition, has simple structure and is convenient and quick to use;

4. through the arranged tensioning frame, the tensioning frame can be used for connecting the side plates by using structures such as springs, and the stability of the assembled structures such as the side plates is ensured;

5. adopt structures such as telescopic screw, limiting plate, can carry out the regulation of tensioning frame whole length in the certain limit, improve and use the flexibility ratio.

Drawings

FIG. 1 is a schematic view of the overall structure of the precise wire arranging device according to the present invention;

FIG. 2 is a schematic diagram of a back structure of the precise wire arranging device according to the present invention;

FIG. 3 is a schematic structural view of a sliding seat of the precise wire arranging device according to the present invention;

FIG. 4 is a schematic view of the structure of the clamping roller of the precise wire arranging device according to the present invention;

FIG. 5 is an enlarged view of the fine wire arranging device of FIG. 3;

FIG. 6 is a schematic structural view of a distance measuring structure of the precise wire arranging device according to the present invention;

FIG. 7 is a schematic structural view of a distance measuring unit of the precise wire arranging device according to the present invention;

FIG. 8 is a schematic structural diagram of a tensioning frame of the precise wire arranging device of the present invention.

In the figure: 1. a side plate; 2. a guide post; 3. positioning a screw rod; 4. a sliding seat; 5. a guide rod; 6. an adjusting bracket; 601. a mounting seat; 602. a bidirectional screw rod; 603. an adjusting block; 7. a first nip roller; 8. a second nip roller; 9. a ranging structure; 901. installing a sleeve; 902. measuring a plate; 903. a pin shaft; 904. a stud; 905. a distance measuring member; 9051. a connecting rod; 9052. scale lines; 9053. a threaded joint; 9054. a threaded hole; 10. a guide roller; 11. a tension frame; 1101. a cross bar; 1102. adjusting the screw hole; 1103. a movable rod; 1104. a propping block; 1105. a spring; 1106. a telescopic screw; 1107. and a limiting plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1-8, the precise wire arranging device comprises a side plate 1, a guide post 2 is arranged on the inner side of the side plate 1, a positioning screw 3 is arranged on the inner side of the side plate 1, a sliding seat 4 is arranged on the guide post 2, an adjusting frame 6 is arranged on the sliding seat 4, a first clamping roller 7 and a second clamping roller 8 are arranged on the adjusting frame 6, a guide rod 5 is fixedly arranged on the side plate 1, the top ends of the first clamping roller 7 and the second clamping roller 8 are connected with a distance measuring structure 9, a guide roller 10 is arranged on the adjusting frame 6, a tensioning frame 11 is arranged between the side plates 1, a bearing is arranged on the side plate 1, the end of the guide post 2 is connected in the bearing on the side plate 1, a connecting nut is arranged on the end of the positioning screw 3, the positioning screw 3 is fixed on the side plate 1 through the connecting nut, a positioning block is arranged on the positioning screw 3, and the positioning block is in threaded connection with the positioning screw 3, be provided with the gyro wheel on the sliding seat 4, and the gyro wheel centre gripping is on guide bar 5, be provided with the sensor on the sliding seat 4, and fixed connection between sliding seat 4 and the alignment jig 6, install the support on the alignment jig 6, and the support passes through the fix with screw on alignment jig 6, guide roller 10 rotates and connects on the support, alignment jig 6 includes mount pad 601, two-way lead screw 602 and regulating block 603, two-way lead screw 602 rotates and connects on mount pad 601, and the end of two-way lead screw 602 is provided with the runner, be equipped with the round bar between the mount pad 601, regulating block 603 cover is located on two-way lead screw 602 and round bar, and threaded connection between regulating block 603 and the two-way lead screw 602.

When the device is used, the side plates 1, the guide posts 2, the positioning screw rods 3, the sliding seats 4 and other structures are assembled together, in the process, the tensioning frame 11 is arranged between the side plates 1, the stability of the assembled side plates 1 and other structures is ensured, the adjusting frame 6 and other structures are arranged on the sliding seats 4 by using screws, then the whole cable arranging device is fixed at a proper position, the cable arranging device and a winding machine are matched for use, the winding work of cables is started after relevant lines are connected, when the cables are wound, the end parts of the cables penetrate between the two guide rollers 10, the cables are ensured to be positioned between the first clamping roller 7 and the second clamping roller 8, then the end parts of the cables are connected to a traction disc, the winding mechanism is started, the traction disc starts to rotate to wind the cables, meanwhile, the sliding seats 4 on the guide posts 2 start to run under the driving of the driving mechanism, the sliding seats 4 move back and forth along the guide posts 2 and the guide rods 5 within a certain stroke range, thereby driving the cable to move back and forth, further realizing the wire arrangement effect, ensuring that the wound cable can not be overlapped, in the process of using the sliding seat 4 and other structures, the sensor arranged at the lower end of the sliding seat 4 is used for sensing the positioning block on the positioning screw rod 3, ensuring that the sliding seat 4 can move back and forth in time, if the wire arrangement is wound on the cables with different diameters, the distance between the first clamping roller 7 and the second clamping roller 8 can be adjusted, during the adjustment, the adjusting wheel is rotated, the adjusting wheel drives the bidirectional screw rod 602 to rotate, thereby driving the two adjusting blocks 603 to move, further driving the first clamping roller 7 and the second clamping roller 8 to move on the mounting seat 601 until the distance between the clamping rollers is proper, in the adjustment process, the bidirectional screw rod 602 ensures that the two clamping rollers are synchronously far away from or close to each other, further ensuring the adjustment accuracy, and simultaneously, in the adjustment process, the round rod has the effect of guiding and stabilizing, the steadiness when guaranteeing regulating block 603 and removing, when adjusting the interval of pinch roll, can know the interval of current pinch roll directly perceivedly through range finding structure 9, improved regulation rate.

Example two

As shown in fig. 1 to 8, in which the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that: as shown in fig. 5, 6 and 7, the distance measuring structure 9 includes a mounting sleeve 901, a measuring plate 902 and a distance measuring part 905, the mounting sleeve 901 is fixedly connected with the measuring plate 902, the mounting sleeve 901 is mounted at the top ends of the first clamping roller 7 and the second clamping roller 8, the distance measuring part 905 is connected between the measuring plate 902, the distance measuring structure 9 further includes a pin 903 and a stud 904, the mounting sleeve 901 and the measuring plate 902 are integrally formed, the mounting sleeve 901 is provided with a through hole, the pin 903 is fixedly connected with the stud 904, the pin 903 is located in the through hole on the mounting sleeve 901, the two studs 904 are respectively in threaded connection with the first clamping roller 7 and the second clamping roller 8, the two mounting sleeves 901 are rotatably mounted on the first clamping roller 904 and the second clamping roller 8 through the pin 903 and the stud 903, the measuring plate 902 located at the second clamping roller 8 is provided with a connecting hole, the measuring plate 902 located at the first clamping roller 7 is provided with a circular hole, the distance measuring piece 905 comprises a connecting rod 9051, a scale mark 9052, a threaded joint 9053 and a threaded hole 9054, the scale mark 9052 is arranged on the connecting rod 9051, the threaded joint 9053 is fixed to one end of the connecting rod 9051, the threaded joint 9053 is in threaded connection with the connecting hole, the threaded hole 9054 is arranged at the other end of the connecting rod 9051, and the connecting rod 9051 penetrates through a round hole in the measuring plate 902.

When the distance measuring structure 9 is installed, the corresponding installation sleeve 901 is placed at the upper ends of the first clamping roller 7 and the second clamping roller 8, the pin shaft 903 is inserted into the installation sleeve 901, the stud 904 is screwed into the clamping roller, and then the installation work of the installation sleeve 901 is completed, at this time, the installation sleeve 901 can rotate on the clamping roller, a worker rotates the installation sleeve 901, so that the measuring plate 902 on the installation sleeve 901 is positioned on the same side, and simultaneously, the alignment between the connecting hole and the round hole is ensured, then the installation work of the distance measuring piece 905 is performed, during the installation, the threaded joint 9053 at the end part of the first connecting rod 9051 is screwed into the connecting hole, the second connecting rod 9051 passes through the round hole, so that the threaded joint 9053 at the end part of the second connecting rod 9051 is screwed into the threaded hole 9054 at the end part of the first connecting rod 9051, the installation work of the distance measuring piece 905 is completed, then the distance measurement of the two clamping rollers is performed by using the distance measuring structure 9, during the measurement, along with the removal of pinch roll, range finding piece 905 removes for measuring board 902 on the first pinch roll 7, after the regulation finishes, the staff can be connected current interval according to the scale mark 9052 of measuring on board 902 and the connecting rod 9051, when needing, can also increase connecting rod 9051 and increase whole range finding length, during the increase, utilize threaded connection 9053 and screw hole 9054 the threaded connection splice can, simple structure, convenient operation is swift.

EXAMPLE III

As shown in fig. 1 to 8, in which the same or corresponding components as in the first embodiment are denoted by the same reference numerals as in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The third embodiment is different from the first embodiment in that: as shown in fig. 8, the tensioning frame 11 includes a cross bar 1101, a movable rod 1103 and a resisting block 1104, the movable rod 1103 is fixedly connected with the resisting block 1104, the movable rod 1103 is connected with the cross bar 1101, the resisting block 1104 contacts with the side plate 1, the tensioning frame 11 further includes an adjusting screw hole 1102, a spring 1105, a telescopic screw 1106 and a limit plate 1107, the adjusting screw hole 1102 is opened on the cross bar 1101, a cavity is opened on the cross bar 1101, the movable rod 1103 and the resisting block 1104 are integrally formed, through holes are opened on the movable rod 1103 and the resisting block 1104, the spring 1105 is located in the cavity on the cross bar 1101, one end of the movable rod 1103 is located in the cavity on the cross bar 1101, the end of the movable rod 1103 is contacted with the spring 1105, the telescopic screw 1106 is fixedly connected with the limit plate 1107, the telescopic screw 1106 passes through the through hole on the movable rod 1103 and the resisting block 1104, the end of the telescopic screw 1106 passes through the spring 1105 and is connected with the adjusting screw hole 1102, the tail end of the telescopic screw rod 1106 is in threaded connection with the adjusting screw hole 1102, and the telescopic screw rod 1106 is in threaded connection with the cross rod 1101.

When the tensioning frame 11 is installed, a cross bar 1101 with a spring 1105, a movable rod 1103 and a resisting block 1104 is placed between two side plates 1, the tail end of a telescopic screw 1106 penetrates through a hole on the side plates 1, the end part of the telescopic screw 1106 sequentially penetrates through the through hole, the spring 1105 and a limiting plate 1107, the tail end of the telescopic screw 1106 is screwed into an adjusting screw hole 1102, so that the whole tensioning frame 11 is connected between the side plates 1, then the connection and installation work of other structures is carried out, after the side plates 1, a guide post 2 and other structures are assembled stably, the limiting plate 1107 is rotated, the limiting plate 1107 drives the telescopic screw 1106 to rotate and move along the cross bar 1101 until the limiting plate 1107 contacts the outer wall of the side plate 1, at the moment, the spring 1105 is in a compressed state, the spring 1105 provides a certain acting force for the movable rod 1103, so that the resisting block 1104 at the end part of the movable rod 1103 is tightly attached to the inner wall of the side plate 1, under the effect of supporting tight piece 1104, limiting plate 1107, tensioning frame 11 is installed between curb plate 1 with fastening, provides fastening effect to curb plate 1 simultaneously, guarantees the steadiness after curb plate 1 connects, has ensured the result of use.

The foregoing has described the principles of use, features and advantages of the invention. The above embodiments and the description of the invention are provided to illustrate the basic principles and features of the invention and, within the scope of the invention concept, to be understood by those skilled in the art from the foregoing description, various modifications may be made to the invention and these modifications are within the scope of the invention as claimed.