CN218348206U

CN218348206U - Monitoring device for computer network equipment

Info

Publication number: CN218348206U
Application number: CN202221577318.2U
Authority: CN
Inventors: 贺小军
Original assignee: Shanghai Dezhe Information Technology Co ltd
Current assignee: Shanghai Dezhe Information Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2023-01-20
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a monitoring device for computer network equipment relates to monitoring device technical field, including the protection box, the inside wall fixedly connected with power box of protection box. It can be through setting up monitoring mechanism, can arrange the device outside in through the imaging device with supervisory equipment, and there is not rigid connection between the device, thereby reach the problem that the imaging device who avoids among the supervisory equipment receives the imaging unsharpness that the device vibrations influence leads to, through setting up heat dissipation mechanism, can assist the heat dissipation to the device, in order to avoid the device to receive the high temperature influence and shut down, through setting up the closing mechanism, can realize totally closed when the device does not dispel the heat, in order to avoid the inside dust that gets into of device to lead to the treater to damage, through setting up buffer gear, can avoid the problem of the slight vibrations of device that the operation of heat dissipation mechanism leads to effectively, through setting up dwang and U type draw-in groove, can realize monitor's all-round rotation, the realization is expanded monitor's control area.

Description

Monitoring device for computer network equipment

Technical Field

The utility model relates to a monitoring device technical field specifically is a monitoring device for computer network equipment.

Background

The monitoring system is also called as a closed circuit television monitoring system, and a typical monitoring system mainly comprises five parts, namely front-end audio and video acquisition equipment, audio and video transmission equipment and rear-end storage, control and display equipment, wherein the rear-end equipment can be further divided into central control equipment and sub-control equipment. The front-end equipment and the back-end equipment have various forming modes, and the communication between the front-end equipment and the back-end equipment can be realized by various modes such as coaxial cables, twisted pairs, optical fibers, microwaves, wireless and the like.

In the network equipment integration center of a computer, because the manufacturing cost is expensive and various instruments are precise, the integration center of the network equipment needs to be monitored in real time by a monitoring system so as to avoid economic loss and casualties caused by various faults.

In the existing network device monitoring apparatus, reference is made to patent document CN214070055U, and in the scheme proposed in this patent document, auxiliary heat dissipation cannot be performed on the monitoring system, because the main monitoring target of the monitoring system is a network device integration center of a computer, the temperature of the operating area of the monitoring system is high, and the monitoring system itself generates a certain amount of heat, the monitoring system fails to be affected by high temperature without performing auxiliary heat dissipation, which is not favorable for improving monitoring efficiency.

Meanwhile, refer to patent document CN212910597U, in the solution proposed in this patent document, although the monitoring device may be subjected to auxiliary heat dissipation, the heat dissipation device is normally open, which may easily cause the processor of the monitoring device to be corroded by dust, thereby causing a failure of the monitoring device, and the auxiliary heat dissipation device may generate a slight shock during operation, which may easily cause the monitoring device to have an unclear image, and is also not beneficial to improving the monitoring efficiency; therefore, the monitoring device for the computer network equipment solves the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a monitoring device for computer network equipment in order to compensate the not enough of prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a monitoring device for computer network equipment, includes the protection box, the inside wall fixedly connected with power box of protection box, the bottom surface electricity of power box is connected with first wire, the upper surface electricity of power box is connected with the second wire, the left surface and the equal electricity of right flank of power box are connected with the third wire, the place ahead of protection box is provided with monitoring mechanism, the inside of protection box is provided with heat dissipation mechanism, the inside of protection box is provided with two closing mechanism, the rear of protection box is provided with buffer gear.

Furthermore, the monitoring mechanism comprises an information processing center, the information processing center is fixedly connected to the inner side wall of the protection box body, the information processing center is electrically connected with one end, far away from the power supply box body, of the first lead, a fourth lead is electrically connected to the front side face of the protection box body, and the fourth lead penetrates through a reserved hole formed in the front side face of the protection box body and extends to the front side of the protection box body.

Further, the surface cover of fourth wire is equipped with circular protection groove, circular protection groove's surface with the preformed hole inner wall fixed connection of protection box positive flank, information processing center's the place ahead is provided with the cross fixed plate, the cross fixed plate set up in the outside of protection box.

Further, the bottom surface of cross fixed plate rotates and is connected with the dwang, the bottom surface of dwang rotates and is connected with U type draw-in groove, the inner wall of U type draw-in groove rotates and is connected with monitor, monitor's the back with the fourth wire is kept away from the one end electricity of protection box is connected, monitor's last fixed surface is connected with the protective cover.

Furthermore, the heat dissipation mechanism comprises an L-shaped isolation plate, the L-shaped isolation plate is fixedly connected to the inner side wall of the protection box body, a rotating motor is arranged above the L-shaped isolation plate, the rotating motor is electrically connected with one end, far away from the power supply box body, of the second lead, the rotating motor is fixedly connected to the inner top wall of the protection box body, and fan sets are fixedly connected to the inner walls of three reserved holes of the L-shaped isolation plate.

Furthermore, one end of the central rotating shaft of each of the three fan sets, which is close to the central point of the protective box body, is fixedly connected with a driven gear, the output shaft of the rotating motor is fixedly connected with a driving gear, a transmission chain is arranged below the rotating motor, and the three driven gears are in transmission connection with the driving gear through the transmission chain.

Furthermore, the closing mechanism includes back font fixed plate, back font fixed plate fixed connection in the side preformed groove inner wall of protection box, the grid unit that the inner wall fixedly connected with equidistance of back font fixed plate was arranged, the inner wall of back font fixed plate articulates through the round pin axle has rotating barrier, the inner wall fixedly connected with electro-magnet of back font fixed plate, the electro-magnet with the third wire is kept away from the one end electricity of power supply box is connected.

Furthermore, buffer gear includes the rectangle fixed plate, the rectangle fixed plate set up in the rear of protection box, two slide bar groups of the positive side fixedly connected with of rectangle fixed plate, two the equal fixedly connected with middle part fixture block of slide bar surface of slide bar group, two the back of middle part fixture block all with the positive side fixed connection of rectangle fixed plate.

Furthermore, the outer surfaces of the sliding rods of the two sliding rod groups are respectively sleeved with two sliding blocks, the front side surfaces of the four sliding blocks are fixedly connected with the back surface of the protective box body, the outer surfaces of the sliding rods of the two sliding rod groups are respectively sleeved with two buffer springs, and the two ends of each buffer spring are respectively fixedly connected with the outer surfaces of the supporting ends of the sliding rod groups and the outer surfaces of the sliding blocks.

Further, the place ahead of rectangle fixed plate is provided with X type fixed plate, four apex angle departments of X type fixed plate respectively with four the surface fixed connection of sliding block, two speed reduction rubber strips of the positive side fixedly connected with of rectangle fixed plate, two the positive side of speed reduction rubber strip all with the back of X type fixed plate contacts, the equal fixedly connected with fixed orifices groove in four edges of rectangle fixed plate.

Compared with the prior art, the monitoring device for the computer network equipment has the following beneficial effects:

1. the utility model discloses a set up monitoring mechanism, can arrange the device outside in through the imaging device with supervisory equipment, and there is not rigid connection between the device, thereby reach the problem that the imaging device who avoids among the supervisory equipment to receive the image unsharpness that the device vibrations influence leads to, through setting up heat dissipation mechanism, can assist the heat dissipation to the device, in order to avoid the device to receive high temperature influence and shut down, through setting up closing mechanism, can realize totally closed when the device does not dispel the heat, in order to avoid the inside dust that gets into of device to lead to the treater to damage, through setting up buffer gear, can avoid the problem of the slight vibrations of device that heat dissipation mechanism operation leads to effectively.

2. The utility model discloses a set up dwang and U type draw-in groove, can realize monitor's all around rotation, the realization is extended monitor's monitoring area, through setting up the grid unit, can avoid great piece when the device dispels the heat by the inside of inspiration protection box, the effectual stability of each part of having guaranteed the inside of device, through setting up the middle part fixture block, can support the middle part of slide bar group, avoid its middle part to take place elastic deformation, through setting up speed reduction rubber strip, can slow down the up-and-down motion of protection box, avoid the protection box to receive the resilience problem that buffer spring effort leads to.

Drawings

Fig. 1 is a schematic front view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the inside of the protective casing of the present invention;

fig. 3 is a schematic perspective view of the monitoring mechanism of the present invention;

fig. 4 is a schematic perspective view of the heat dissipation mechanism of the present invention;

fig. 5 is a schematic perspective view of the sealing mechanism of the present invention;

fig. 6 is a schematic view of a three-dimensional structure of the buffering mechanism of the present invention.

In the figure: 1. a protective box body; 2. a power supply box body; 3. a first conductive line; 4. a second conductive line; 5. a third conductive line; 6. monitoring the facility; 601. an information processing center; 602. a fourth conductive line; 603. a circular protective groove; 604. a cross-shaped fixing plate; 605. rotating the rod; 606. a U-shaped clamping groove; 607. monitoring the probe; 608. a protective cover; 7. a heat dissipation mechanism; 701. an L-shaped separator plate; 702. a rotating electric machine; 703. a fan unit; 704. a driven gear; 705. a driving gear; 706. a drive chain; 8. a sealing mechanism; 801. a clip-shaped fixing plate; 802. a grill unit; 803. rotating the baffle; 804. an electromagnet; 9. a buffer mechanism; 901. a rectangular fixing plate; 902. a set of slide bars; 903. a middle fixture block; 904. a slider; 905. a buffer spring; 906. an X-shaped fixing plate; 907. a deceleration rubber strip; 908. a fixed hole groove.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides a monitoring device for computer network equipment, and the device can carry out high-efficient heat dissipation to monitored control system, avoids monitored control system to receive the fault problem that the influence of dust or vibrations leads to simultaneously.

Example 1:

referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present embodiment provides a monitoring device for computer network equipment, including a protection box 1, the inside wall fixedly connected with power box 2 of protection box 1, the bottom surface electricity of power box 2 is connected with first wire 3, the upper surface electricity of power box 2 is connected with second wire 4, the left surface and the right surface of power box 2 are all electrically connected with third wire 5, the place ahead of protection box 1 is provided with monitoring mechanism 6, the inside of protection box 1 is provided with heat dissipation mechanism 7, the inside of protection box 1 is provided with two sealing mechanisms 8, the rear of protection box 1 is provided with buffer mechanism 9.

The protective box body 1 is an integral protective shell of the device and is made of high-strength light-weight alloy materials, so that the problem that the protective box body cannot be suspended on a vertical auxiliary surface due to the fact that the protective box body is too heavy is solved.

Referring to fig. 3, the monitoring mechanism 6 includes an information processing center 601, the information processing center 601 is fixedly connected to the inner side wall of the protective box 1, the information processing center 601 is electrically connected to one end of the first wire 3 away from the power supply box 2, the front side of the protective box 1 is electrically connected to a fourth wire 602, and the fourth wire 602 penetrates through a reserved hole formed in the front side of the protective box 1 and extends to the front of the protective box 1; the information processing center 601 can receive electric energy and feed back signals through the circular protection slot 603 and the power supply box body 2, and can feed back various environmental parameters outside the monitoring device to the inside of the power supply box body 2 and control the corresponding mechanisms to operate by using the power supply box body 2.

Referring to fig. 3, a circular protection groove 603 is sleeved on an outer surface of the fourth conducting wire 602, the outer surface of the circular protection groove 603 is fixedly connected with an inner wall of a reserved hole on a front side surface of the protection box body 1, a cross-shaped fixing plate 604 is arranged in front of the information processing center 601, and the cross-shaped fixing plate 604 is arranged outside the protection box body 1; the circular protection slot 603 can ensure that the cross-shaped fixing plate 604 is not torn when the fourth conducting wire 602 rotates, so as to protect the fourth conducting wire 602, where the cross-shaped fixing plate 604 is an existing camera.

Referring to fig. 3, the bottom surface of the cross-shaped fixing plate 604 is rotatably connected with a rotating rod 605, the bottom surface of the rotating rod 605 is rotatably connected with a U-shaped clamping groove 606, the inner wall of the U-shaped clamping groove 606 is rotatably connected with a monitoring probe 607, the back surface of the monitoring probe 607 is electrically connected with one end of the fourth wire 602 away from the protection box 1, and the upper surface of the monitoring probe 607 is fixedly connected with a protective cover 608; the rotating rod 605 and the U-shaped clamping groove 606 are arranged to realize the all-directional rotation of the monitoring probe 607, so that the monitoring area of the monitoring probe 607 is expanded.

Firstly, the protection box body 1 is fixed by using a corresponding device, the subsequent content of the specific fixing mode is detailed, then the cross-shaped fixing plate 604 is fixed on the top wall of the building in front of the protection box body 1, then the monitoring probe 607 in the U-shaped clamping groove 606 can be rotated by rotating the rotating rod 605, so that the monitoring probe 607 is aligned to the target area, the image capture of the target area is realized, the image is captured by the monitoring probe 607 and then transmitted to the information processing center 601 through the fourth conducting wire 602, and the information processing center 601 stores or executes a corresponding plan, thereby realizing the monitoring of the target area.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

referring to fig. 4, as a preferred embodiment, on the basis of the above manner, further, the heat dissipation mechanism 7 includes an L-shaped isolation plate 701, the L-shaped isolation plate 701 is fixedly connected to the inner side wall of the protection box 1, a rotating electrical machine 702 is disposed above the L-shaped isolation plate 701, the rotating electrical machine 702 is electrically connected to one end of the second wire 4 far away from the power supply box 2, the rotating electrical machine 702 is fixedly connected to the inner top wall of the protection box 1, and the inner walls of three reserved holes of the L-shaped isolation plate 701 are all fixedly connected with a fan set 703; the fan group 703 can rapidly extract the heat inside the protection box body 1, and the inside of the protection box body 1 is rapidly cooled.

Referring to fig. 4, one ends of the central rotating shafts of the three fan sets 703, which are close to the central point of the protective box 1, are all fixedly connected with driven gears 704, an output shaft end of the rotating electrical machine 702 is fixedly connected with a driving gear 705, a transmission chain 706 is arranged below the rotating electrical machine 702, and the three driven gears 704 are all in transmission connection with the driving gear 705 through the transmission chain 706; the rotating electrical machine 702 can drive the three fan sets 703 to rotate through the transmission chain 706, and the sizes of the driven gear 704 and the driving gear 705 are consistent, so as to avoid that a certain driven gear 704 cannot transmit power with the driving gear 705 through the transmission chain 706.

Referring to fig. 5, the closing mechanism 8 includes a clip-shaped fixing plate 801, the clip-shaped fixing plate 801 is fixedly connected to the inner wall of the side preformed groove of the protective box 1, the inner wall of the clip-shaped fixing plate 801 is fixedly connected with grid units 802 arranged at equal intervals, the inner wall of the clip-shaped fixing plate 801 is hinged with a rotating baffle 803 through a pin shaft, the inner wall of the clip-shaped fixing plate 801 is fixedly connected with an electromagnet 804, and the electromagnet 804 is electrically connected with one end of the third conducting wire 5 away from the power box 2; the purpose of controlling the electromagnet 804 to have magnetism or not can be achieved by powering on and powering off the electromagnet 804, so as to drive the corresponding rotary baffle 803 to close, and it should be noted here that the third conducting wire 5 connected to the electromagnet 804 on the left side needs to be electrically connected to the power supply box 2 through a reserved hole on the L-shaped partition plate 701.

When the information processing center 601 monitors that the inside of the protective box body 1 needs to dissipate heat, the information processing center 601 feeds signals back to the inside of the power supply box body 2 through the first lead 3, then the power supply box body 2 realizes the power failure of the electromagnet 804 through the third lead 5, so that the electromagnet 804 does not have magnetism, the rotary baffle 803 cannot be adsorbed and attached inside the rectangular-shaped fixed plate 801, then the rotary motor 702 is powered through the second lead 4, so that the rotary motor 702 drives the three fan sets 703 to rotate, when the fan sets 703 rotate, the air inside and outside the protective box body 1 is pumped, the two rotary baffles 803 are pushed open at the same time, the air inside the protective box body 1 is pumped, the quick air cooling inside the protective box body 1 is realized, after the early heat dissipation is finished, the rotary motor 702 is closed and the electromagnet 804 can adsorb the rotary baffle 803 on the inner wall of the rectangular-shaped fixed plate 801, the sealing of the protective box body 1 is realized, the high-efficiency heat dissipation can be effectively performed on the protective box body 1, and the inside of the protective box body 1 is prevented from being corroded by high-temperature or dust.

Example 3:

the scheme of example 2 is further described below in conjunction with specific working modes, which are described in detail below:

referring to fig. 6, as a preferred embodiment, on the basis of the above manner, further, the buffer mechanism 9 includes a rectangular fixing plate 901, the rectangular fixing plate 901 is disposed at the rear of the protective box 1, two sliding rod groups 902 are fixedly connected to the front side of the rectangular fixing plate 901, the outer surfaces of the sliding rods of the two sliding rod groups 902 are fixedly connected with middle fixture blocks 903, and the back surfaces of the two middle fixture blocks 903 are fixedly connected with the front side of the rectangular fixing plate 901; the middle fixture block 903 can prevent the middle of the sliding rod group 902 from being elastically deformed, and the structural strength of the buffer mechanism 9 is effectively ensured.

Referring to fig. 6, two sliding blocks 904 are respectively sleeved on the outer surfaces of the sliding rods of the two sliding rod groups 902, the front sides of the four sliding blocks 904 are respectively fixedly connected with the back of the protective box 1, two buffer springs 905 are respectively sleeved on the outer surfaces of the sliding rods of the two sliding rod groups 902, and two ends of each buffer spring 905 are respectively fixedly connected with the outer surfaces of the supporting ends of the sliding rod groups 902 and the outer surfaces of the sliding blocks 904; the sliding block 904 compresses the buffer spring 905 through movement, so that the buffer spring 905 can be used for buffering the movement of the sliding block 904, and the purpose of buffering the protection box body 1 is achieved.

Referring to fig. 6, an X-shaped fixing plate 906 is disposed in front of a rectangular fixing plate 901, four corners of the X-shaped fixing plate 906 are respectively fixedly connected to outer surfaces of four sliding blocks 904, two deceleration rubber strips 907 are fixedly connected to a front side of the rectangular fixing plate 901, front sides of the two deceleration rubber strips 907 are both in contact with a back surface of the X-shaped fixing plate 906, and fixing hole slots 908 are fixedly connected to four corners of the rectangular fixing plate 901; usable fixed orifices groove 908 is fixed in perpendicular wall with buffer gear 9 here, and sliding block 904 and protection box 1 fixed connection realize the purpose of indirect soft support protection box 1.

Protection box 1 may take place slight vibrations when heat dissipation mechanism 7 moves, because monitoring mechanism 6's imaging device sets up in protection box 1's outside, so not influenced, but information processing center 601 can receive the influence of vibrations, protection box 1 vibrations drive sliding block 904 and slide on slide bar group 902 this moment, buffer spring 905 can cushion sliding block 904's motion, speed reduction rubber strip 907 can act on to rub the speed reduction to X type fixed plate 906 on X type fixed plate 906 simultaneously, the realization is avoided protection box 1 to receive the resilience problem that buffer spring 905's effort leads to, the at utmost has improved the shock attenuation buffering effect of buffer gear 9 to protection box 1.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a monitoring device for computer network equipment, includes protection box (1), its characterized in that: the utility model discloses a safety protection box, including protection box (1), the inside wall fixedly connected with power box (2) of protection box (1), the bottom surface electricity of power box (2) is connected with first wire (3), the upper surface electricity of power box (2) is connected with second wire (4), the left surface and the equal electricity in right flank of power box (2) are connected with third wire (5), the place ahead of protection box (1) is provided with monitoring mechanism (6), the inside of protection box (1) is provided with heat dissipation mechanism (7), the inside of protection box (1) is provided with two closing mechanism (8), the rear of protection box (1) is provided with buffer gear (9).

2. The monitoring device for computer network equipment according to claim 1, wherein: monitoring mechanism (6) include information processing center (601), information processing center (601) fixed connection in the inside wall of protection box (1), information processing center (601) with first wire (3) are kept away from the one end electricity of power box (2) is connected, the positive side electricity of protection box (1) is connected with fourth wire (602), fourth wire (602) run through the preformed hole that the positive side of protection box (1) was seted up extends to the place ahead of protection box (1).

3. The monitoring device for computer network equipment according to claim 2, wherein: the surface cover of fourth wire (602) is equipped with circular protection groove (603), the surface of circular protection groove (603) with the preformed hole inner wall fixed connection of protection box (1) positive flank, the place ahead of information processing center (601) is provided with cross fixed plate (604), cross fixed plate (604) set up in the outside of protection box (1).

4. The monitoring device for computer network equipment according to claim 3, wherein: the bottom surface of cross fixed plate (604) rotates and is connected with dwang (605), the bottom surface of dwang (605) rotates and is connected with U type draw-in groove (606), the inner wall of U type draw-in groove (606) rotates and is connected with monitor probe (607), the back of monitor probe (607) with fourth wire (602) are kept away from the one end electricity of protection box (1) is connected, the last fixed surface of monitor probe (607) is connected with protective cover (608).

5. The monitoring device for computer network equipment according to claim 1, wherein: the heat dissipation mechanism (7) comprises an L-shaped isolation plate (701), the L-shaped isolation plate (701) is fixedly connected to the inner side wall of the protection box body (1), a rotating motor (702) is arranged above the L-shaped isolation plate (701), the rotating motor (702) is far away from the second lead (4), one end of the power supply box body (2) is electrically connected, the rotating motor (702) is fixedly connected to the inner top wall of the protection box body (1), and three inner walls of reserved holes of the L-shaped isolation plate (701) are fixedly connected with a fan set (703).

6. The monitoring device according to claim 5, wherein: the three fan group (703) central rotating shaft is close to the equal fixedly connected with driven gear (704) of one end of protection box (1) central point, the output shaft end fixedly connected with driving gear (705) of rotating electrical machines (702), the below of rotating electrical machines (702) is provided with drive chain (706), three driven gear (704) all through drive chain (706) with driving gear (705) transmission is connected.

7. The monitoring device for computer network equipment according to claim 1, wherein: closing mechanism (8) are including returning font fixed plate (801), return font fixed plate (801) fixed connection in the side preformed groove inner wall of protection box (1), the inner wall fixedly connected with grid unit (802) that the equidistance was arranged of the inner wall fixedly connected with of returning font fixed plate (801), the inner wall of returning font fixed plate (801) articulates through the round pin axle has rotating barrier (803), the inner wall fixedly connected with electro-magnet (804) of returning font fixed plate (801), electro-magnet (804) with third wire (5) are kept away from the one end electricity of power supply box (2) is connected.

8. The monitoring device for computer network equipment according to claim 1, wherein: the buffer mechanism (9) comprises a rectangular fixing plate (901), the rectangular fixing plate (901) is arranged behind the protective box body (1), two sliding rod groups (902) are fixedly connected to the front side face of the rectangular fixing plate (901), middle clamping blocks (903) are fixedly connected to the outer surfaces of sliding rods of the two sliding rod groups (902), and the back faces of the two middle clamping blocks (903) are fixedly connected with the front side face of the rectangular fixing plate (901).

9. The monitoring device according to claim 8, wherein: two the slide bar surface of slide bar group (902) all overlaps and is equipped with two sliding blocks (904), four the positive side of sliding block (904) all with the back fixed connection of protection box (1), two the slide bar surface of slide bar group (902) all overlaps and is equipped with two buffer spring (905), buffer spring (905) both ends respectively with slide bar group (902) support the end surface with slide block (904) surface fixed connection.

10. The monitoring device for computer network equipment according to claim 9, wherein: an X-shaped fixing plate (906) is arranged in front of the rectangular fixing plate (901), four top corners of the X-shaped fixing plate (906) are fixedly connected with the outer surfaces of the four sliding blocks (904) respectively, two speed-reducing rubber strips (907) are fixedly connected to the front side face of the rectangular fixing plate (901), the front side faces of the two speed-reducing rubber strips (907) are in contact with the back face of the X-shaped fixing plate (906), and fixing hole grooves (908) are fixedly connected to the four corners of the rectangular fixing plate (901).