CN210597054U

CN210597054U - Assembled swivel device

Info

Publication number: CN210597054U
Application number: CN201921270317.1U
Authority: CN
Inventors: 贾双双; 李文松; 刘保权; 王广业; 赵存树; 张田; 孙国政
Original assignee: Sino Rubber Technology Co ltd
Current assignee: Sino Rubber Technology Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-22
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses an assembly type turning device, including upper turning body and lower turning body, the upper turning body includes the upper ball panel, the internal fixation of upper ball panel has first pintle sleeve, the lower turning body includes the lower ball panel, the internal fixation of lower ball panel has second pintle sleeve, upper ball panel and lower ball panel are assembled by a plurality of pieces of assembly board parallel, the pinshaft has been cup jointed in first pintle sleeve and the second pintle sleeve, the upper ball panel is fixed with the upper junction plate, the lower ball panel is fixed with the lower junction plate, the upper ball panel and the lower ball panel are fixed with the strengthening rib, set up a plurality of pinholes and bolt hole on upper junction plate and the lower junction plate, the pinhole interpolates to there is the pin, the bottom of pin is equipped with the external screw thread, be fixed with the connection otic placode on upper ball panel, lower ball panel and the circumference strengthening rib outer wall, fixed mounting has the guide block on the outer wall of lower ball panel; the utility model discloses a device of turning that device had solved great appearance is at raw and other materials purchasing cost height, and structure processing is difficult to and the difficult scheduling problem of transportation.

Description

Assembled swivel device

Technical Field

The utility model relates to a bridge erects the field, especially relates to a device turns of type of assembling.

Background

The bridge turning construction refers to a construction method that after a bridge structure is manufactured (poured or assembled) at a non-designed axis position and is formed, the operation over an obstacle can be converted into the operation on the shore or near the ground through turning; according to the rotation direction of the bridge structure, the method can be divided into a vertical swivel construction method, a horizontal swivel construction method (a vertical swivel method and a horizontal swivel method for short) and a method combining horizontal swivel and vertical swivel, wherein the horizontal swivel method is most applied and is mainly applied to the situation that support cannot be performed when a canyon, a river, a railway, a highway and the like are spanned upwards. The turning system of the turning bridge consists of a lower rotary table, an upper rotary table, a spherical hinge, a slideway and a traction system, and the traction cable is pulled by a jack in the turning process to form a rotating force couple so as to realize turning. At present, bridge rotation construction does not affect traffic due to construction; the construction equipment is less, the device is simple, and construction materials are saved; the characteristics such as convenient prefabrication are extensively applied to the bridge erection in-process to progressively to large-span, large-tonnage bridge popularization and application, but the required device of turning of large-span, large-tonnage bridge in the construction process of turning also will be very big, and the device of turning of great appearance all has a lot of difficulties in raw materials purchase, structure processing and transportation, consequently, need adopt a simple structure and install convenient assembly type device of turning promptly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an assemble type device of turning to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides an assembly type turning device, which comprises an upper turning body and a lower turning body, wherein the upper turning body is positioned above the lower turning body, the upper turning body comprises an upper spherical panel, a first pin shaft sleeve is fixed in the upper spherical panel, the lower turning body comprises a lower spherical panel, a second pin shaft sleeve is fixed in the lower spherical panel, the upper spherical panel and the lower spherical panel are formed by assembling a plurality of assembly plates in parallel, pin shafts are sleeved in the first pin shaft sleeve and the second pin shaft sleeve, an upper connecting plate is fixed on the upper spherical panel, a lower connecting plate is fixed on the lower spherical panel, circumferential reinforcing ribs, longitudinal reinforcing ribs and transverse reinforcing ribs are fixedly arranged on the upper spherical panel and the lower spherical panel, a plurality of pin holes and bolt holes are arranged on the upper connecting plate and the lower connecting plate, pins are inserted in the pin holes, external threads are arranged at the bottoms of the pins, go up the ball panel, be fixed with the connection otic placode down on ball panel and the circumference strengthening rib outer wall, fixed mounting has the guide block on the outer wall of lower ball panel, the guide block includes fixed part and location portion, fixed part fixed mounting is on the outer wall of lower ball panel, location portion and last sphere board contact are connected, fixed part and location portion integrated into one piece, first round pin axle sleeve has cup jointed the position sleeve outward.

Preferably, the bottoms of the splicing surfaces of the adjacent splicing plates are of circular arc structures and oblique angle structures, and the number of the splicing plates is 3 or 4.

Preferably, the arrangement of the pin holes and the bolt holes adopts a triangular structure.

Preferably, be provided with first setting element and second setting element in the pinhole, first setting element is including seting up the first recess in the pinhole, second recess and fifth recess have been seted up on the cell wall of first recess, second recess and fifth recess set up relatively, the central line of second recess and fifth recess is in on same central line, the briquetting is gone up through first elastic component fixedly connected with to the second recess, the briquetting is down passed through first elastic component fixedly connected with to the fifth recess, it has the pin to twist soon in the pinhole, be fixed with the toper arch on the pin, toper arch and last briquetting and lower briquetting sliding contact.

Preferably, the pin is hinged with an elastic plate, the elastic plate is provided with a first through groove, the elastic plate is hinged with a buckling plate, the buckling plate is buckled in the first through groove, and the pin is a conical pin.

Preferably, a second through groove is formed in the buckling plate, a plurality of third grooves are formed in the groove wall of the second through groove, and rubber blocks are embedded in the third grooves.

Preferably, a fourth groove is formed in the positioning portion, a rubber protrusion is fixedly connected into the fourth groove through a second elastic piece, and the rubber protrusion is in contact connection with the upper spherical plate.

Preferably, the upper pressing block and the lower pressing block are of wedge-shaped structures or triangular structures.

Preferably, the first elastic member and the second elastic member are springs.

The utility model discloses a following technological effect: the upper spherical plate or the lower spherical plate of the swivel device of the utility model is formed by splicing a plurality of splicing plates in parallel, thus not only avoiding the problems of long period, high cost, difficult transportation and the like caused by special fixed rolling of a super-large-format steel plate, but also avoiding the problems of low material utilization rate, high cost, more splicing seams and the like caused by adopting fan-shaped splicing; meanwhile, the turning device of the utility model respectively detachably connects the upper connecting plate and the lower connecting plate by pressing pins in the pin holes, installs the pins in the pin holes to ensure the accurate positioning of the splicing surfaces of the upper connecting plate and the lower connecting plate, and simultaneously fixedly installs the connecting ear plates on the upper spherical surface plate, the lower spherical surface plate and the circumferential reinforcing ribs, and fixedly installs the guide blocks on the lower spherical surface plate to ensure the accurate positioning when the upper spherical surface plate and the lower spherical surface plate are installed and ensure the installation stability; the utility model discloses a turn device simple structure just assembles convenient, accurate and firm, and then has solved the problem that the device of turning of great appearance all has a lot of difficulties in raw and other materials purchase, structure processing and transportation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of the split device of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a top view of the upper swivel body of the present invention;

fig. 4 is a bottom view of the middle lower swivel body of the present invention;

fig. 5 is a top view of the upper goal panel of the present invention;

FIG. 6 is a schematic structural view of the assembled surface of the upper connecting plate of the present invention;

FIG. 7 is a partial enlarged view of B in FIG. 6;

FIG. 8 is an enlarged view of a portion C of FIG. 6;

FIG. 9 is a left side view of the middle and upper connecting plates and the fastening plate of the present invention after being fastened together;

fig. 10 is a front view of the upper swivel of the present invention;

FIG. 11 is an enlarged view of a portion D of FIG. 10;

wherein, 1-connecting the board; 2-a lower connecting plate; 3-a ball-mounting panel; 4-lower ball panel; 5-circumferential reinforcing ribs; 6-longitudinal reinforcing ribs; 7-transverse reinforcing ribs; 8-pin holes; 9-bolt holes; 10-a first groove; 11-a second groove; 12-a first elastic member; 13-briquetting; 14-briquetting; 15-a conical projection; 16-a resilient plate; 17-a first through slot; 18-a fastening plate; 19-a second through slot; 20-a third groove; 21-a rubber block; 22-a pin shaft; 23-a first pin sleeve; 24-rubber bumps; 25-connecting ear plates; 26-a fifth groove; 27-assembling the board; 28-pin; 29-a positioning sleeve; 30-a fixed part; 31-a positioning section; 32-a fourth groove; 33-a second elastic member; 34-second pin sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-11, the present invention provides an assembled swivel device, which comprises an upper swivel and a lower swivel, wherein the upper swivel is located above the lower swivel, the upper swivel comprises an upper spherical plate 3, a first pin sleeve 23 is fixed in the upper spherical plate 3, the lower swivel comprises a lower spherical plate 4, a second pin sleeve 34 is fixed in the lower spherical plate 4, the upper spherical plate 3 and the lower spherical plate 4 are assembled by a plurality of assembling plates 27 in parallel, wherein the bottom of the splicing surface of the adjacent assembling plates 27 is designed to be a circular arc structure, when the upper swivel and the lower swivel are assembled, the splicing joint will not be completely flat, there will be a small allowable height difference, in this case, the swivel device will be worn during working, and the bottom of the splicing surface of the adjacent assembling plates 27 is designed to be a circular arc structure, so that when the swivel device works, there will not only be a height difference between the assembling plates 27, even if the height is high, the abrasion of parts can not occur, and the service life of the rotating body device is prolonged; meanwhile, 3 or 4 pieces of splicing plates 27 are adopted, and fan-shaped plates are adopted for splicing in the prior art, but the fan-shaped splicing mode generates more waste materials and more splicing seams, and the problems of long period, high cost, difficult transportation and the like caused by special fixed rolling of a steel plate with a super large breadth exist at the same time, and the technical scheme adopts a parallel splicing mode of the splicing plates 27, so that the material is saved, the splicing seams are fewer, the splicing is convenient, and the processing of an upper spherical surface plate and a lower spherical surface plate is facilitated; the pin shaft 22 is sleeved in the first pin shaft sleeve 23 and the second pin shaft sleeve 34, the upper connecting plate 1 is fixed on the upper spherical plate 3, the lower connecting plate 2 is fixed on the lower spherical plate 4, the circumferential reinforcing ribs 5, the longitudinal reinforcing ribs 6 and the transverse reinforcing ribs 7 are fixedly arranged on the upper spherical plate 3 and the lower spherical plate 4, and in order to consolidate the strength of the whole structure, the circumferential reinforcing ribs 5, the longitudinal reinforcing ribs 6 and the transverse reinforcing ribs 7 are arranged in a staggered mode, so that the stability among the circumferential reinforcing ribs 5, the longitudinal reinforcing ribs 6 and the transverse reinforcing ribs 7 is improved, and the strength of the whole structure is improved; a plurality of pin holes 8 and bolt holes 9 are formed in the upper connecting plate 1 and the lower connecting plate 2, wherein the pin holes 8 and the bolt holes 9 are arranged in a triangular structure, and the pin holes 8 and the bolt holes 9 are arranged in a triangular structure to ensure the connection stability between the upper connecting plate 1 and the lower connecting plate 2, so that the connection firmness and precision of the assembling plate 27 of the upper rotating body and the assembling plate 27 of the lower rotating body are ensured; insert to having the pin 28 in pinhole 8, the bottom of pin 28 is equipped with the external screw thread, pin 28 inserts to fastening more in pinhole 8 like this, make it difficult for taking place to rock, reduce the shear stress that pin 28 received, be provided with first setting element and second setting element in pinhole 8, at last spherical surface board 3, be fixed with the connection otic placode 25 on spherical surface board 4 and circumference strengthening rib 5 outer wall down, fixed mounting has the guide block on the outer wall of spherical surface board 4 down, the guide block includes fixed part 30 and location portion 31, fixed part 30 fixed mounting is on the outer wall of spherical surface board 4 down,

location portion

31 and 3 contact connection of last spherical surface board, first pivot sleeve 23 overcoat has connect locating sleeve 29, in order to guarantee that first pivot sleeve can install in locating sleeve accurately, make it not take place to rock, and then guaranteed that the last rotor is installed under on the body of turning accurately. When assembling, firstly, the upper connecting plate 1 and the lower connecting plate 2 are butted respectively, so that the pin holes 8 on the connecting surfaces of the upper connecting plate 1 and the lower connecting plate 2 are corresponding, meanwhile, the connecting surfaces of the upper connecting plate 1 and the lower connecting plate 2 of the lower spherical plate 4 are aligned up and down and left and right, secondly, the pin 28 is inserted into the pin hole 8, because the pin hole 8 is internally provided with the first positioning piece and the second positioning piece, the positioning between the upper connecting plate 1 on the upper spherical plate 3 and the lower connecting plate 2 of the lower spherical plate 4 is accurate and firm, simultaneously, the bolt is inserted into the bolt hole 9 to further ensure the firmness of the upper connecting plate 1 on the upper spherical plate 3 and the lower connecting plate 2 on the lower spherical plate 4, the splicing plates 27 of the upper rotating body and the splicing plates 27 of the lower rotating body are spliced respectively by adopting the connection modes, then the upper spherical plate 3 and the circumferential reinforcing ribs 5 of the upper rotating body are transversely and longitudinally fixed, wherein, the connecting, the two connecting lug plates 25 are fixedly connected by bolts to ensure stable installation, the lower spherical plate 4 and the circumferential reinforcing rib 5 of the lower rotator are transversely and longitudinally fixed by adopting the connecting lug plates 25 for transverse fixation, the connecting lug plates 25 are fixed on the upper spherical plate 3 and the circumferential reinforcing rib 5, the two connecting lug plates 25 are fixedly connected by bolts to ensure stable installation, the upper spherical plate 3 of the upper rotator is accurately and fixedly connected and the circumferential reinforcing rib 5 on the upper spherical plate is accurately and fixedly connected by the fixing modes, the lower spherical plate 4 of the lower rotator is accurately and fixedly connected and the circumferential reinforcing rib 5 on the lower spherical plate 4 is accurately and fixedly connected and fixed with a guide block, the positioning part 31 of the guide block can ensure that the upper spherical plate 3 is accurately placed above the lower spherical plate 4, thereby ensuring that the upper rotator can be accurately installed on the lower rotator, and finally finishing the assembly process.

In order to ensure accurate positioning of the upper connecting plate 1 on the upper spherical panel 3 and the lower connecting plate 2 on the lower spherical panel 4, further ensure the assembling process accuracy of the assembling plate 27 of the upper rotating body and the assembling plate 27 of the lower rotating body, and ensure the stability of the whole structure of the rotating device, the first positioning member is arranged to include a first groove 10 arranged in the pin hole 8, a second groove 11 and a fifth groove 26 are arranged on the groove wall of the first groove 10, the second groove 11 and the fifth groove 26 are oppositely arranged, the center lines of the second groove 11 and the fifth groove 26 are positioned on the same center line, the second groove 11 is fixedly connected with an upper pressing block 13 through a first elastic member 12, the fifth groove 26 is fixedly connected with a lower pressing block 14 through the first elastic member 12, a pin 28 is screwed in the pin hole 8, the pin 28 is a conical pin, a conical protrusion 15 is fixed on the conical protrusion 15, and the conical protrusion 15 is in sliding contact with the upper pressing block 13 and the lower pressing block 14, meanwhile, the pin 28 is hinged with the elastic plate 16, the elastic plate 16 is provided with a first through groove 17, the elastic plate 16 is hinged with a buckling plate 18, the buckling plate 18 is buckled in the first through groove 17, when the pin 28 is inserted into the pin hole 8, the conical bulge 15 on the pin 28 can be directly inserted into the first groove 10 in a sliding manner, as the upper pressing block 13 and the lower pressing block 14 are arranged in the first groove 10, the upper pressing block 13 and the lower pressing block 14 can apply extrusion force to the conical bulge 15 under the extrusion force of the first elastic part 12, so that the conical bulge 15 is more stable and is not easy to separate, the pin 28 can be accurately inserted into the pin hole 8, in addition, the elastic plate 16 is fixedly arranged on the pin 28, when the pin 28 is inserted into the pin hole 8, the elastic plate 16 is propped open under the action of the elastic force, and is tightly propped against the hole wall of the pin hole 8, and the buckling plate 18 is hinged below the elastic plate 16, buckled plate 18 can lock on the bottom of upper junction plate 1 or lower junction plate 2, make pin 28 difficult for breaking away from like this, it is more accurate to make its location, the degree of stability is high, it is firm for better assurance, can have cup jointed the nut at the outermost end of pin 28, the pin 28 structure that adopts among the prior art only directly connects to adopt the nut fixed in inserting to the pinhole again, the nut is fixed very easily takes place to become flexible in transport or the use like this, can't guarantee the degree of stability of whole structure, can guarantee through first locating part and the second locating part more than adopting that pin 28 fixes a position accurately when the installation, and guarantee the degree of stability of whole device in later stage when carrying and using.

Furthermore, in order to ensure the positioning accuracy and the stability of the second positioning element, the buckling plate 18 is provided with a second through groove 19, the wall of the second through groove 19 is provided with a plurality of third grooves 20, and rubber blocks 21 are embedded in the third grooves 20, so that when the second connecting plate 2 is placed in the second through groove 19 of the buckling plate 18, under the action of the rubber blocks 21 on the two sides, the friction force is increased and is not easy to shake, and the stability is improved on the basis of ensuring the positioning effect.

Further optimize the scheme, place on lower sphere panel 4 that sphere plate 3 can be accurate in order to guarantee, and then guarantee the accuracy of turning when installing with lower rotor and its final firmness of assembling the back device, fourth recess 32 has been seted up on location portion 31, through second elastic component 33 fixedly connected with rubber protrusion 24 in the fourth recess 32, rubber protrusion 24 and last sphere panel 3 contact are connected, when last sphere panel 3 places on lower sphere panel 4, its both ends can directly block between rubber protrusion 24, sphere plate 3's position is gone up in the adjustment, make its and the complete lock of sphere plate 4 down, rubber protrusion 24 rocks its lock difficult emergence in the centre, adopt second elastic component 33 in order to make last sphere plate 3 conveniently carry out position adjustment.

In order to ensure that the components can be well and conveniently mounted and finally ensure the stability of the components, the upper pressing block 13 and the lower pressing block 14 are arranged to be of wedge-shaped structures or triangular structures, so that the inclined surfaces of the upper pressing block and the lower pressing block are matched with the inclined surfaces of the conical protrusions 15, positioning accuracy can be ensured, and the pins 28 can be conveniently mounted; the first elastic member 12 and the second elastic member 33 are springs, and the use of different types of springs ensures the elasticity thereof to be changed.

The utility model discloses a turn device has guaranteed the accurate location between upper junction plate 1 and lower junction plate 2 through adopting to set up first setting element in the first pinhole and set up the second setting element in the second pinhole, has fixedly mounted the connection otic placode 25 on upper sphere panel 3, lower sphere plate 4 and circumference strengthening rib 5 simultaneously, and fixed mounting has the guide block on lower sphere panel 4, guarantees the accurate location when upper sphere plate 3 and lower sphere panel 4 are installed, and guarantees the degree of stability of its installation; the utility model discloses a turn device simple structure just assembles convenient, accurate and firm, and then has solved the problem that the device of turning of great appearance all has a lot of difficulties in raw and other materials purchase, structure processing and transportation.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides an assemble type device of turning which characterized in that: including last rotation and lower rotation, go up the rotation and be located the top of turning down, go up the rotation and include ball panel (3), it has first round pin axle sleeve (23) to go up ball panel (3) internal fixation, the lower rotation is including lower ball panel (4), ball panel (4) internal fixation has second round pin axle sleeve (34) down, it forms by a plurality of piece makeup board (27) parallel assembly to go up ball panel (3) and lower ball panel (4), round pin axle (22) have been cup jointed in first round pin axle sleeve (23) and second round pin axle sleeve (34), it has upper junction plate (1) to go up to be fixed with on ball panel (3) down, be fixed with down connecting plate (2) down on ball panel (4), fixed mounting has circumference strengthening rib (5), vertical strengthening rib (6) and horizontal strengthening rib (7) on last ball panel (3) and lower ball panel (4), a plurality of pinhole (8) and bolt hole (7) have been seted up on upper junction plate (1) and lower ball panel (2) down (9) The utility model discloses a ball panel, it has pin (28), peg (8) are inserted to there being pin (28), the bottom of pin (28) is equipped with the external screw thread, go up ball panel (3), be fixed with on lower ball panel (4) and circumference strengthening rib (5) outer wall and connect otic placode (25), fixed mounting has guide block on the outer wall of lower ball panel (4), the guide block includes fixed part (30) and location portion (31), fixed part (30) fixed mounting is on the outer wall of lower ball panel (4), location portion (31) and last ball panel (3) contact are connected, fixed part (30) and location portion (31) integrated into one piece, first pintle sleeve (23) cup joint has location sleeve (29).

2. The assembly type swivel device according to claim 1, wherein: the bottom of the splicing surface of the adjacent splicing plates (27) is of a circular arc structure and an oblique angle structure, and the number of the splicing plates (27) is 3 or 4.

3. The assembly type swivel device according to claim 1, wherein: the arrangement of the pin holes (8) and the bolt holes (9) adopts a triangular structure.

4. The assembly type swivel device according to claim 1, wherein: a first positioning piece and a second positioning piece are arranged in the pin hole (8), the first positioning piece comprises a first groove (10) arranged in the pin hole (8), a second groove (11) and a fifth groove (26) are arranged on the groove wall of the first groove (10), the second groove (11) and the fifth groove (26) are oppositely arranged, the middle lines of the second groove (11) and the fifth groove (26) are positioned on the same central line, the second groove (11) is fixedly connected with an upper pressing block (13) through a first elastic piece (12), the fifth groove (26) is fixedly connected with a lower pressing block (14) through a first elastic piece (12), a pin (28) is screwed in the pin hole (8), a conical bulge (15) is fixed on the pin (28), the conical protrusion (15) is in sliding contact with the upper pressing block (13) and the lower pressing block (14).

5. The assembly type swivel device according to claim 4, wherein: the elastic plate (16) is hinged to the pin (28), the first through groove (17) is formed in the elastic plate (16), the buckling plate (18) is hinged to the elastic plate (16), the buckling plate (18) is buckled in the first through groove (17), and the pin (28) is a conical pin.

6. The assembly type swivel device according to claim 5, wherein: a second through groove (19) is formed in the buckling plate (18), a plurality of third grooves (20) are formed in the groove wall of the second through groove (19), and rubber blocks (21) are embedded in the third grooves (20).

7. The assembly type swivel device according to claim 4, wherein: the positioning part (31) is provided with a fourth groove (32), the fourth groove (32) is internally fixedly connected with a rubber bulge (24) through a second elastic piece (33), and the rubber bulge (24) is in contact connection with the upper ball panel (3).

8. The assembly type swivel device according to claim 4, wherein: the upper pressing block (13) and the lower pressing block (14) are of wedge-shaped structures or triangular structures.

9. The assembly type swivel device according to claim 7, wherein: the first elastic member (12) and the second elastic member (33) are springs.