CN214980470U

CN214980470U - Tower pole body linking machine

Info

Publication number: CN214980470U
Application number: CN202120924441.6U
Authority: CN
Inventors: 孔令俊; 王洋; 刘春芳; 王雅梦
Original assignee: Shandong Luneng Taishan Tower Co ltd
Current assignee: Shandong Luneng Taishan Tower Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-03
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to a tower pole body linking machine, which improves the sliding stability of two groups of moving feet at the top end of a bottom plate by arranging a plurality of groups of first sliders, improves the sliding stability of two groups of moving feet left and right by arranging two groups of slide rails and two groups of external members, improves the accuracy of linking processing after the device fixes the tower pole, and clamps the left and right side walls of the tower pole by controlling two groups of clamping mechanisms, thereby improving the fixing stability of the device to the tower pole; the automatic pressing device comprises a bottom plate, a rotary supporting device, two sets of sliding rails, a first gantry support, a plurality of sets of reinforcing ribs, a first hydraulic cylinder, a first pressing head, two sets of moving feet, a plurality of sets of first sliding blocks, two sets of external members, two sets of first motors, two sets of racks, a second gantry support, a clamping mechanism, a second hydraulic cylinder and a second pressing head, wherein the rotary supporting device is arranged at the top end of the bottom plate, the two sets of sliding rails are fixedly arranged on the front side wall and the rear side wall of the bottom plate respectively, and the bottom end of the first gantry support is connected with the top end of the bottom plate.

Description

Tower pole body linking machine

Technical Field

The utility model relates to a mechanical equipment's technical field especially relates to a pole body linking machine of tower pole.

Background

The machine for jointing the rod body of the tower pole is an auxiliary device for jointing the rod body of the tower pole, and is widely used in the field of mechanical equipment; the existing tower pole and rod body joint sewing machine is found in use, a tower is a rod-shaped or tower-shaped structure which supports a lead wire and an overhead ground wire of an overhead transmission line and keeps a certain distance between the lead wire and the overhead ground wire and the ground, the tower is a main supporting structure of the overhead transmission line, and the tower can be divided into a wood structure, a steel structure, an aluminum alloy structure and a reinforced concrete structure according to structural materials.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a through setting up the first slider of multiunit, improve two sets of removal feet at the gliding stability in bottom plate top, through setting up two sets of slide rails and two sets of external members, improve two sets of removal feet horizontal slip's stability, the accuracy of improving the device to the fixed back joint close processing of king of tower pole is pressed from both sides tightly the lateral wall about the tower pole through controlling two sets of clamping mechanism to improve a tower pole body joint close machine of the fixed stability of device to the tower pole.

The utility model relates to a tower pole body linking machine, which comprises a bottom plate, a rotary supporting device, two groups of slide rails, a first gantry support, a plurality of groups of reinforcing ribs, a first hydraulic cylinder, a first press head, two groups of moving feet, a plurality of groups of first sliders, two groups of kits, two groups of first motors, two groups of racks, a second gantry support, a clamping mechanism, a second hydraulic cylinder and a second press head, wherein the rotary supporting device is arranged at the top end of the bottom plate, the two groups of slide rails are respectively and fixedly arranged on the front side wall and the rear side wall of the bottom plate, the bottom end of the first gantry support is connected with the top end of the bottom plate, the bottom ends of the plurality of groups of reinforcing ribs are respectively connected with the top end of the bottom plate, the inner side walls of the plurality of groups of reinforcing ribs are respectively connected with the outer side wall of the first gantry support, the first hydraulic cylinder is longitudinally arranged on the inner side wall of the first gantry support, the first press head is fixedly arranged on the bottom end output end of the first hydraulic cylinder, the bottom ends of the two groups of the moving feet are respectively and fixedly connected with the top ends of the plurality of the first sliders, and the top end of the bottom plate is provided with a plurality of groups of sliding grooves, a plurality of groups of first sliding blocks can be arranged in the plurality of groups of sliding grooves of the bottom plate in a left-right sliding manner, two groups of external members are respectively arranged on the outer side walls of the two groups of moving feet, the lower parts of the two sets of external members can be respectively sleeved on the outer side walls of the two sets of sliding rails in a left-right sliding manner, the two sets of first motors are respectively arranged on the inner side walls of the two sets of moving legs, the output ends of the two sets of first motors are respectively provided with two sets of gears, the bottom ends of the two sets of racks are both connected with the top end of the bottom plate, and two groups of gears are respectively meshed with two groups of racks, the bottom end of the second gantry support is connected with the top ends of two groups of movable feet, and be provided with two sets of through-holes on the lateral wall about the second portal support respectively, clamping mechanism sets up inside two sets of through-holes respectively, and second pneumatic cylinder fixed mounting is on the inside wall of second portal support, and the second press head fixed mounting is on the bottom output of second pneumatic cylinder.

The utility model discloses a tower pole body linking machine, the clamping mechanism includes two sets of second sliders, two sets of side plates, two sets of connecting pieces, two sets of supporting plates, two sets of second motors, two sets of traction ropes, two sets of third hydraulic cylinders and two sets of third press heads, two sets of second sliders can be respectively arranged in two sets of through holes of a second gantry support in a vertical sliding manner, the extension of two sets of side plates is respectively fixedly connected with the outer side walls of two sets of second sliders, the bottom ends of two sets of connecting pieces are respectively connected with the top ends of two sets of second sliders, the extension of two sets of supporting plates is respectively connected with the inner side wall of the second gantry support and is arranged in the through holes, the bottom ends of two sets of second motors are respectively arranged at the top ends of two sets of supporting plates, two sets of flywheels are respectively arranged on the output ends of two sets of second motors, one ends of two sets of traction ropes are respectively coiled and connected with the outer side walls of two sets of connecting pieces, two sets of third pneumatic cylinders are fixed mounting respectively on the inside wall of two sets of second sliders, and two sets of third press heads are fixed mounting respectively on the output of two sets of third pneumatic cylinders.

The utility model discloses a pole body of rod linking machine of pole, rotatory supporting mechanism includes two sets of mountings, the multiunit reducing gear box, multiunit third motor and the first supporting wheel of multiunit, two parts are connected about the bottom of two sets of mountings respectively with the top of bottom plate, the bottom of multiunit reducing gear box is connected with the top of two sets of mountings respectively, the top at two sets of mountings is installed respectively to the multiunit third motor to the output of multiunit third motor is connected with the input of multiunit reducing gear box respectively, the first supporting wheel of multiunit sets up respectively on the output of multiunit reducing gear box.

The utility model discloses a pole body of rod linking machine of tower, still include two sets of wheel axle boxes and multiunit second supporting wheel, two sets of wheel axle boxes are fixed mounting respectively on the lateral wall about the bottom plate, and multiunit second supporting wheel is all installed on the inside wall of wheel axle box.

The utility model discloses a pole body of rod linking machine of king-rod still includes the multiunit stabilizer blade, and the bottom at the bottom plate is all installed to the multiunit stabilizer blade.

The utility model discloses a pole body of rod linking machine of pole still includes the multiunit light, and the multiunit light is installed respectively on the lateral wall of first gantry support and second gantry support.

Compared with the prior art, the beneficial effects of the utility model are that: the pole tower to be processed by seaming is placed at the top end of the rotary supporting device, two groups of first motors are respectively opened to drive two groups of gears to rotate, so that the two groups of gears drive two groups of moving feet to move left and right through meshing with the racks, thereby enabling the two groups of moving feet to drive the second hydraulic cylinder and the second pressing head to carry out position adjustment through the second gantry bracket, thereby facilitating the device to fix the towers with different lengths and sizes, reducing the use limitation of the device, the stability of the sliding of the two groups of moving feet at the top end of the bottom plate is improved by arranging the plurality of groups of first sliding blocks, the stability of the sliding of the two groups of moving feet left and right is improved by arranging the two groups of sliding rails and the two groups of external members, the precision of the joint closing processing after the device fixes the tower pole is improved, the left side wall and the right side wall of the tower pole are clamped by controlling the two groups of clamping mechanisms, so that the fixing stability of the device to the tower pole is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of the connection of the moving foot with the first slider and the like;

FIG. 3 is a schematic structural view of the connection of the second gantry support with the lighting lamp and the like;

FIG. 4 is an enlarged schematic view of the attachment member to a pull cord or the like;

in the drawings, the reference numbers: 1. a base plate; 2. a slide rail; 3. a first gantry support; 4. reinforcing ribs; 5. a first hydraulic cylinder; 6. a first pressing head; 7. a moving foot; 8. a first slider; 9. a kit; 10. a first motor; 11. a gear; 12. a rack; 13. a second gantry support; 14. a second hydraulic cylinder; 15. a second pressing head; 16. a second slider; 17. a side plate; 18. a connecting member; 19. a support plate; 20. a second motor; 21. a flywheel; 22. a hauling rope; 23. a third hydraulic cylinder; 24. a third pressing head; 25. a fixing member; 26. a reduction gearbox; 27. a third motor; 28. a first support wheel; 29. a wheel axle housing; 30. a second support wheel; 31. a support leg; 32. an illuminating lamp.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the utility model relates to a tower pole body linking machine, which comprises a bottom plate 1, a rotary supporting device, two sets of slide rails 2, a first gantry support 3, a plurality of sets of reinforcing ribs 4, a first hydraulic cylinder 5, a first pressing head 6, two sets of moving feet 7, a plurality of sets of first sliders 8, two sets of external members 9, two sets of first motors 10, two sets of racks 12, a second gantry support 13, a clamping mechanism, a second hydraulic cylinder 14 and a second pressing head 15, wherein the top end of the bottom plate 1 is provided with the rotary supporting device, the two sets of slide rails 2 are respectively and fixedly arranged on the front and rear side walls of the bottom plate 1, the bottom end of the first gantry support 3 is connected with the top end of the bottom plate 1, the bottom ends of the plurality of reinforcing ribs 4 are all connected with the top end of the bottom plate 1, the inner side walls of the plurality of reinforcing ribs 4 are all connected with the outer side wall of the first gantry support 3, the first hydraulic cylinder 5 is longitudinally arranged on the inner side wall of the first gantry support 3, the first pressing head 6 is fixedly arranged on the output end of the bottom end of the first hydraulic cylinder 5, the bottom ends of two groups of moving feet 7 are respectively fixedly connected with the top ends of a plurality of groups of first sliding blocks 8, the top end of the bottom plate 1 is provided with a plurality of groups of sliding grooves, the plurality of groups of first sliding blocks 8 can be arranged inside the plurality of groups of sliding grooves of the bottom plate 1 in a left-right sliding manner, two groups of external members 9 are respectively arranged on the outer side walls of the two groups of moving feet 7, the lower parts of the two groups of external members 9 can be respectively sleeved on the outer side walls of the two groups of sliding rails 2 in a left-right sliding manner, two groups of first motors 10 are respectively arranged on the inner side walls of the two groups of moving feet 7, the output ends of the two groups of first motors 10 are respectively provided with two groups of gears 11, the bottom ends of two groups of racks 12 are respectively connected with the top end of the bottom plate 1, the two groups of gears 11 are respectively meshed with the two groups of racks 12, the bottom ends of the second gantry support 13 are connected with the top ends of the two groups of moving feet 7, and the left outer side walls and the right side walls of the second gantry support 13 are respectively provided with two groups of through holes, the clamping mechanisms are respectively arranged in the two groups of through holes, the second hydraulic cylinder 14 is fixedly arranged on the inner side wall of the second gantry support 13, and the second pressing head 15 is fixedly arranged on the output end of the bottom end of the second hydraulic cylinder 14; the tower pole needing to be subjected to joint sealing processing is placed at the top end of a rotary supporting device, two groups of first motors 10 are respectively opened to drive two groups of gears 11 to rotate by opening, the two groups of gears 11 drive two groups of moving feet 7 to move left and right by meshing with a rack 12, so that the two groups of moving feet 7 drive a second hydraulic cylinder 14 and a second pressing head 15 to carry out position adjustment through a second gantry support 13, the device is convenient to fix the tower poles with different length sizes, the use limitation of the device is reduced, the stability of the sliding of the two groups of moving feet 7 at the top end of a bottom plate 1 is improved by arranging a plurality of groups of first sliding blocks 8, the stability of the sliding of the two groups of moving feet 7 left and right is improved by arranging two groups of sliding rails 2 and two groups of external members 9, the precision of the joint sealing processing of the fixed tower pole is improved, and the left and right side walls of the tower pole are clamped by controlling two groups of clamping mechanisms, thereby improving the fixing stability of the device to the tower pole.

The utility model discloses a tower pole body linking machine, clamping mechanism includes two sets of second sliders 16, two sets of side plates 17, two sets of connecting pieces 18, two sets of supporting plates 19, two sets of second motors 20, two sets of hauling ropes 22, two sets of third hydraulic cylinders 23 and two sets of third pressing heads 24, two sets of second sliders 16 are respectively arranged in two sets of through holes of a second gantry support 13 in a vertically sliding manner, the extension of two sets of side plates 17 is respectively fixedly connected with the outer side walls of two sets of second sliders 16, the bottom ends of two sets of connecting pieces 18 are respectively connected with the top ends of two sets of second sliders 16, the extension of two sets of supporting plates 19 is respectively connected with the inner side walls of the second gantry support 13 and arranged in the through holes, the bottom ends of two sets of second motors 20 are respectively arranged at the top ends of two sets of supporting plates 19, two sets of flywheels 21 are respectively arranged on the output ends of two sets of second motors 20, one end of two sets of hauling ropes 22 is respectively coiled and connected on the outer side walls of two sets of flywheels 21, the other ends of the two groups of hauling ropes 22 are respectively connected with the outer side walls of the two groups of connecting pieces 18, the two groups of third hydraulic cylinders 23 are respectively and fixedly arranged on the inner side walls of the two groups of second sliding blocks 16, and the two groups of third pressing heads 24 are respectively and fixedly arranged on the output ends of the two groups of third hydraulic cylinders 23; through controlling the rotation of two sets of second motors 20 respectively, make two sets of flywheels 21 carry out the rolling to the length of two sets of haulage rope 22 respectively, thereby make two sets of second sliders 16 drive two sets of third pneumatic cylinders 23 and move the regulation to the upper position, when the position to two sets of second sliders 16 was moved downwards to needs, through increasing two sets of haulage rope 22 to the length of pulling of two sets of second sliders 16, make two sets of second sliders 16 descend through natural gravity, thereby make two sets of second sliders 16 drive two sets of third pneumatic cylinders 23 and move to the left and right sides of pole and carry out the centre gripping to the pole after extending third pneumatic cylinder 23 and fix, improve the convenience that the device is fixed to different diameter size poles, improve the fixed stability of device to the pole.

The utility model discloses a pole body linking machine of pole, rotatory supporting mechanism includes two sets of mountings 25, multiunit reducing gear box 26, multiunit third motor 27 and multiunit first supporting wheel 28, the bottom of two sets of mountings 25 is connected with the top left and right sides of bottom plate 1 respectively, the bottom of multiunit reducing gear box 26 is connected with the top of two sets of mountings 25 respectively, multiunit third motor 27 is installed respectively on the top of two sets of mountings 25, and the output of multiunit third motor 27 is connected with the input of multiunit reducing gear box 26 respectively, multiunit first supporting wheel 28 sets up respectively on the output of multiunit reducing gear box 26; place the tower pole behind the top of the first supporting wheel 28 of multiunit, drive the first supporting wheel 28 of multiunit through the transmission of opening multiunit third motor 27 and through multiunit reducing gear box 26 and rotate, thereby make the first supporting wheel 28 of multiunit drive the tower pole and rotate, thereby be convenient for operating personnel carries out the stitch welding to the different positions of tower pole, improve the convenience of device to tower pole welding position rotation regulation, reduce the working strength of personnel to the tower pole removal, improve the efficiency of tower pole stitch welding, improve the practicality of device.

The utility model discloses a tower pole body linking machine, which also comprises two groups of wheel axle boxes 29 and a plurality of groups of second supporting wheels 30, wherein the two groups of wheel axle boxes 29 are respectively and fixedly arranged on the left and right outer side walls of the bottom plate 1, and the plurality of groups of second supporting wheels 30 are all arranged on the inner side walls of the wheel axle boxes 29; through setting up multiunit second supporting wheel 30, the device of being convenient for supports the rotation to the special-shaped tower pole of tip, reduces the use limitation of device, improves the convenience in use of device.

The utility model discloses a tower pole body linking machine, which also comprises a plurality of groups of support legs 31, wherein the plurality of groups of support legs 31 are all arranged at the bottom end of the bottom plate 1; through setting up multiunit stabilizer blade 31, improve the antiskid nature on device bottom and ground, improve the stability that the device used.

The utility model discloses a tower pole body linking machine, which also comprises a plurality of groups of illuminating lamps 32, wherein the plurality of groups of illuminating lamps 32 are respectively arranged on the outer side walls of the first gantry support 3 and the second gantry support 13; through setting up multiunit light 32, the illuminating effect when improving the device and welding the stitch of tower pole improves the convenience that the device used.

The utility model discloses a tower pole body linking machine, it is at work, at first place the pole tower that needs the linking processing on the top of rotatory strutting arrangement, open respectively two sets of first motors 10 and drive two sets of gears 11 rotatory through opening, make two sets of gears 11 drive two sets of removal feet 7 through the meshing with rack 12 and move about, thereby make two sets of removal feet 7 drive second pneumatic cylinder 14 and second press head 15 through second longmen support 13 and carry out position control, later through controlling the rotation of two sets of second motors 20 respectively, make two sets of flywheels 21 respectively roll up the length of two sets of haulage ropes 22, thereby make two sets of second sliders 16 drive two sets of third pneumatic cylinders 23 and move the regulation upwards, when needing to move down the position of two sets of second sliders 16, through increasing the haulage length of two sets of second sliders 16 with two sets of haulage ropes 22, make two sets of second sliders 16 descend through natural gravity to make two sets of second sliders 16 drive two sets of third pneumatic cylinders 23 and remove to the left and right sides of tower pole and extend third pneumatic cylinder 23 and carry out the centre gripping fixed to the tower pole, then place the tower pole behind the top of the first supporting wheel 28 of multiunit, drive multiunit first supporting wheel 28 through opening multiunit third motor 27 and through the transmission of multiunit reducing gear box 26 and rotate, thereby make the first supporting wheel 28 of multiunit drive tower pole rotate.

The installation mode, the connection mode or the setting mode of the tower pole body linking machine of the utility model are common mechanical modes, and the installation mode, the connection mode or the setting mode can be implemented as long as the beneficial effects can be achieved; the utility model discloses a first pneumatic cylinder 5, first motor 10, second pneumatic cylinder 14, second motor 20, third pneumatic cylinder 23, reducing gear box 26, third motor 27 and light 32 of pole body linking machine of pole body are purchase on the market, and this industry technical staff only need install and operate according to its subsidiary service instruction can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A tower pole body linking machine is characterized by comprising a bottom plate (1), a rotary supporting device, two groups of sliding rails (2), a first gantry support (3), a plurality of groups of reinforcing ribs (4), a first hydraulic cylinder (5), a first pressing head (6), two groups of moving feet (7), a plurality of groups of first sliding blocks (8), two groups of kits (9), two groups of first motors (10), two groups of racks (12), a second gantry support (13), a clamping mechanism, a second hydraulic cylinder (14) and a second pressing head (15), wherein the rotary supporting device is arranged at the top end of the bottom plate (1), the two groups of sliding rails (2) are respectively and fixedly arranged on the front side wall and the rear side wall of the bottom plate (1), the bottom end of the first gantry support (3) is connected with the top end of the bottom plate (1), the bottom ends of the plurality of reinforcing ribs (4) are respectively connected with the top end of the bottom plate (1), the inner side walls of the plurality of the reinforcing ribs (4) are respectively connected with the outer side wall of the first gantry support (3), the first hydraulic cylinder (5) is longitudinally arranged on the inner side wall of the first gantry support (3), the first pressing head (6) is fixedly arranged on the output end of the bottom end of the first hydraulic cylinder (5), the bottom ends of the two groups of movable feet (7) are respectively fixedly connected with the top ends of the multiple groups of first sliding blocks (8), the top end of the bottom plate (1) is provided with multiple groups of sliding grooves, the multiple groups of first sliding blocks (8) can be arranged inside the multiple groups of sliding grooves of the bottom plate (1) in a left-right sliding mode, the two groups of external members (9) are respectively arranged on the outer side walls of the two groups of movable feet (7), the lower parts of the two groups of external members (9) are respectively sleeved on the outer side walls of the two groups of sliding rails (2) in a left-right sliding mode, the two groups of first motors (10) are respectively arranged on the inner side wall of the two groups of movable feet (7), the output ends of the two groups of first motors (10) are respectively provided with two groups of gears (11), the bottom ends of the two groups of racks (12) are both connected with the top end of the bottom plate (1), and two sets of gears (11) mesh with two sets of racks (12) respectively, the bottom and the top of two sets of removal feet (7) of second gantry support (13) are connected, and be provided with two sets of through-holes on the lateral wall about second gantry support (13) respectively, clamping mechanism sets up inside two sets of through-holes respectively, second pneumatic cylinder (14) fixed mounting is on the inside wall of second gantry support (13), second is pressed pressure head (15) fixed mounting on the bottom output of second pneumatic cylinder (14).

2. The machine according to claim 1, wherein the clamping mechanism comprises two sets of second sliders (16), two sets of side plates (17), two sets of connecting members (18), two sets of support plates (19), two sets of second motors (20), two sets of pulling ropes (22), two sets of third hydraulic cylinders (23) and two sets of third pressing heads (24), the two sets of second sliders (16) are respectively slidably disposed in the two sets of through holes of the second gantry support (13), the extensions of the two sets of side plates (17) are respectively fixedly connected with the outer side walls of the two sets of second sliders (16), the bottom ends of the two sets of connecting members (18) are respectively connected with the top ends of the two sets of second sliders (16), the extensions of the two sets of support plates (19) are respectively connected with the inner side walls of the second gantry support (13) and disposed in the through holes, the bottom ends of the two sets of second motors (20) are respectively mounted at the top ends of the two sets of support plates (19), two groups of flywheels (21) are respectively arranged at the output ends of the two groups of second motors (20), one ends of the two groups of traction ropes (22) are respectively connected to the outer side walls of the two groups of flywheels (21) in a coiling manner, the other ends of the two groups of traction ropes (22) are respectively connected with the outer side walls of the two groups of connecting pieces (18), the two groups of third hydraulic cylinders (23) are respectively and fixedly arranged on the inner side walls of the two groups of second sliding blocks (16), and the two groups of third pressing heads (24) are respectively and fixedly arranged at the output ends of the two groups of third hydraulic cylinders (23).

3. The tower rod sewing machine according to claim 1, wherein the rotary support mechanism comprises two sets of fixing members (25), a plurality of sets of reduction boxes (26), a plurality of sets of third motors (27) and a plurality of sets of first support wheels (28), the bottom ends of the two sets of fixing members (25) are respectively connected with the left and right parts of the top end of the bottom plate (1), the bottom ends of the plurality of sets of reduction boxes (26) are respectively connected with the top ends of the two sets of fixing members (25), the plurality of sets of third motors (27) are respectively installed at the top ends of the two sets of fixing members (25), the output ends of the plurality of sets of third motors (27) are respectively connected with the input ends of the plurality of sets of reduction boxes (26), and the plurality of sets of first support wheels (28) are respectively arranged at the output ends of the plurality of sets of reduction boxes (26).

4. A machine for jointing pole bodies according to claim 1, further comprising two sets of axleboxes (29) and a plurality of sets of second supporting wheels (30), wherein the two sets of axleboxes (29) are fixedly mounted on the left and right outer side walls of the base plate (1), respectively, and the plurality of sets of second supporting wheels (30) are mounted on the inner side walls of the axleboxes (29).

5. A machine for linking pole bodies according to claim 1, characterised in that it comprises a plurality of sets of feet (31), the plurality of sets of feet (31) being mounted on the bottom of the base plate (1).

6. The machine for linking and sewing a pole body of a tower pole according to claim 1, further comprising a plurality of sets of illuminating lamps (32), wherein the plurality of sets of illuminating lamps (32) are respectively installed on the outer side walls of the first gantry bracket (3) and the second gantry bracket (13).