CN210398089U

CN210398089U - Fixing device is used in expansion joint installation

Info

Publication number: CN210398089U
Application number: CN201920879691.5U
Authority: CN
Inventors: 张真飞
Original assignee: Jiangsu Tongyi Power Equipment Co ltd
Current assignee: Jiangsu Tongyi Power Equipment Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-24
Anticipated expiration: 2029-06-12

Abstract

The utility model relates to the technical field of expansion joint installation, and discloses a fixing device for expansion joint installation, which solves the problems that the fixing device for expansion joint installation in the current market has poor fixing effect, easily generates loose installation and poor protection effect of the expansion joint, and can not protect the joint of the expansion joint, the clamping device comprises a base, wherein a first mounting block is fixed to the top of the base, an expansion joint is mounted in an inner cavity of the first mounting block, splicing blocks are mounted on the side faces of the expansion joint, clamping blocks are clamped in the inner cavity of the splicing blocks, an extension rod is fixed to the bottom of each clamping block, penetrates through the splicing blocks, extends to the outer end of the first mounting block, and is surrounded by a tension spring, a telescopic rod is mounted at the bottom of the first mounting block, a sphere is fixed to one end, extending to the inner cavity of the first mounting block, of the telescopic rod, a retaining block wraps the outer portion of the sphere, and a clamping block is fixed to the top of the retaining block; the utility model discloses, have fixed effectual, the strong advantage of protective capacities.

Description

Fixing device is used in expansion joint installation

Technical Field

The utility model belongs to the technical field of the expansion joint installation, specifically be a fixing device is used in expansion joint installation.

Background

The expansion joint is a flexible element which can effectively compensate axial deformation, for example, the expansion joint welded on a shell of a fixed tube-plate heat exchanger has large axial flexibility and is easy to deform, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell, avoiding causing strength damage, instability damage and tube pull-out damage, and having more types of common expansion joints with the structures of wave shape, ring plate welding, shell clamping and the like, wherein the wave-shaped expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions.

However, the fixing device for installing the expansion joint in the current market cannot effectively fix the position of the expansion joint when in use, so that the expansion joint is easy to loosen, and the assembly failure of the expansion joint is caused; meanwhile, the expansion joint is fragile, so that the expansion joint is easily broken under the influence of external force.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a fixing device is used in expansion joint installation, the effectual expansion joint installation of having solved on the existing market is poor with fixing device fixed effect, produces the expansion joint installation easily and becomes flexible, protective effect is poor, can't carry out the problem protected to the expansion joint junction.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device for installing an expansion joint comprises a base, wherein a first installing block is fixed at the top of the base, the expansion joint is installed in an inner cavity of the first installing block, splicing blocks are installed on the side faces of the expansion joint, clamping blocks are clamped in the inner cavities of the splicing blocks, an extending rod is fixed at the bottom of each clamping block, one end, extending out of the splicing blocks, of each extending rod penetrates through the splicing blocks, a stretching spring is wound around one end, extending out of the first installing block, a telescopic rod is installed at the bottom of the first installing block, a ball body is fixed at one end, extending out of the inner cavity of the first installing block, of each telescopic rod, a fixing block is wrapped outside the ball body, a clamping block is fixed at the top of each fixing block, a positioning block is fixed on the side face of the first installing block, a movable rod is fixed at the bottom of each positioning block, a second installing block is installed at one end of each movable rod, a fixing rod sleeve is fixed on the side face, the top of the reinforcing rod is fixed with a limiting block, the bottom of the limiting block is in transmission connection with the bottom of the inner cavity of the reinforcing rod sleeve through a return spring, and the other side of the first mounting block is fixed with a sealing block.

Preferably, a supporting rod is fixed to the top of the base, and the top of the supporting rod on the base is fixed to the bottom of the first mounting block.

Preferably, the first mounting block and the second mounting block are semi-cylindrical parts with the same size, and the first mounting block and the second mounting block form a cylindrical part when being attached to each other.

Preferably, the bottom of extension rod is fixed with the regulating block, and the top of extension rod bottom regulating block passes through extension spring and is connected with the bottom transmission of first installation piece.

Preferably, the side surface of the limiting block is fixed with a poking block, and the side surface of the limiting block, which extends to the outside of the fixed rod sleeve, is provided with anti-skid grains.

Preferably, the inner cavity of the sealing block is provided with a position fixing hole matched with one end of the reinforcing rod, and the length value of the combined sealing block and the reinforcing rod is equal to the length value of the first mounting block.

Compared with the prior art, the beneficial effects of the utility model are that:

1) during work, the first installation block is fixed in position through the base, when the expansion joint is installed, the expansion joint is placed on the first installation block, then the second installation block is changed in position through the movable rod on the positioning block, combination of the first installation block and the second installation block is achieved, the return spring is used for driving the reinforcing rod on the limiting block to move in the position limited by the shaping rod, the movement of the shaping rod stops when the shaping rod is installed inside the sealing block, the first installation block and the second installation block are installed more stably, the positions of the splicing blocks of the expansion joint are protected, the expansion joint can be effectively protected when the fixing device for installing the expansion joint is used, and the protection capability of the joint of the expansion joint is improved;

2) the clamping block is driven to carry out direction change by rotating the extension rod, so that the splicing block is fixed, the telescopic rod is continuously rotated to drive the clamping block on the ball body and the clamping block on the clamping block, one end of the expansion joint is reinforced, the fixing device for installing the expansion joint is guaranteed to be capable of being effectively fixed in position when in use, and the situation that the position of the joint of the expansion joint is not flexible is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the second mounting block of the present invention;

FIG. 3 is a schematic structural view of the installation of the position-locking block of the present invention;

FIG. 4 is a schematic structural view of the installation of the reinforcing rod of the present invention;

in the figure: 1. a base; 2. a first mounting block; 3. an expansion joint; 4. splicing blocks; 5. a bit block; 6. an extension rod; 7. an extension spring; 8. a telescopic rod; 9. a sphere; 10. a retention block; 11. a clamping block; 12. positioning blocks; 13. a movable rod; 14. a second mounting block; 15. a rod fixing sleeve; 16. shaping a rod; 17. a reinforcing rod; 18. a limiting block; 19. a return spring; 20. and (6) closing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are 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 the first embodiment, as shown in fig. 1-4, the utility model comprises a base 1, a first mounting block 2 is fixed on the top of the base 1, an expansion joint 3 is installed in the inner cavity of the first mounting block 2, a splicing block 4 is installed on the side surface of the expansion joint 3, a clamping block 5 is clamped in the inner cavity of the splicing block 4, an extension rod 6 is fixed on the bottom of the clamping block 5, the extension rod 6 penetrates through the splicing block 4 and extends to the outer end of the first mounting block 2 to surround a tension spring 7, a telescopic rod 8 is installed on the bottom of the first mounting block 2, a sphere 9 is fixed on the end of the telescopic rod 8 extending to the inner cavity of the first mounting block 2, and by means of the arrangement of the sphere 9, the ball has a larger bearing capacity, so as to more effectively reinforce the expansion joint 3, a fixing block 10 is wrapped on the outer portion of the sphere 9, a clamping block 11 is fixed on the top of the fixing block 10, and by means of, make expansion joint 3 more firm when placing, can not produce the condition such as rock easily, the side of first installation piece 2 is fixed with locating piece 12, the bottom of locating piece 12 is fixed with movable rod 13, second installation piece 14 is installed to the one end of movable rod 13, the side of second installation piece 14 is fixed with solid pole cover 15, setting pole 16 is installed to the inner chamber of solid pole cover 15, anchor strut 17 is installed to the one end of setting pole 16, anchor strut 17's top is fixed with stopper 18, the bottom of stopper 18 is connected with the bottom transmission of solid pole cover 15 inner chamber through reset spring 19, the opposite side of first installation piece 2 is fixed with closed piece 20.

Embodiment two, on the basis of embodiment one, the top of base 1 is fixed with the bracing piece, and the top of bracing piece is fixed with the bottom of first installation piece 2 on the base 1, through the setting of base 1 for its cooperation bracing piece supports parts such as first installation piece 2, also makes expansion joint 3 more firm placing the in-process simultaneously, can not produce and rock.

In the third embodiment, on the basis of the first embodiment, the first mounting block 2 and the second mounting block 14 are semi-cylindrical components with the same size, and the first mounting block 2 and the second mounting block 14 are jointed to form the cylindrical component, so that the expansion joint 3 is more stable in connection and cannot be easily deformed through the arrangement of the first mounting block 2.

Fourth, on the basis of first embodiment, the bottom of extension rod 6 is fixed with the regulating block, and the top of extension rod 6 bottom regulating block passes through extension spring 7 to be connected with the bottom transmission of first installation piece 2, through the setting of extension rod 6 for it can be through the direction that changes screens piece 5, thereby realizes the rigidity of expansion joint 3 on the splice block 4.

Fifth embodiment, on the basis of first embodiment, the side of the limiting block 18 is fixed with the toggle block, and the limiting block 18 side toggle block extends and has seted up anti-skidding line on the outside one end surface of the fixed rod cover 15, through the setting of limiting block 18 for the reinforcing rod 17 can not break away from the inside of fixed rod cover 15 when removing, thereby has realized the stable position change of reinforcing rod 17.

Sixth embodiment, on the basis of first embodiment, the inner chamber of closed piece 20 is seted up with stiffener 17 one end assorted position fixing hole, and the length value that closed piece 20 and solid pole cover 15 merge equals the length value of first installation piece 2, through the setting of closed piece 20 for first installation piece 2 is more firm when being connected with second installation piece 14, and when carrying out the detection maintenance, also can carry out convenient dismantlement work.

The working principle is as follows: when the expansion joint fixing device works, firstly, the first installation block 2 is fixed through the base 1, when the expansion joint 3 is installed, the expansion joint 3 is placed on the first installation block 2, then, the movable rod 13 on the positioning block 12 is utilized to enable the second installation block 14 to change the position, merging of the first installation block 2 and the second installation block 14 is achieved, the reset spring 19 is utilized to drive the reinforcing rod 17 on the limiting block 18 to move at the position limited by the shaping rod 16, the shaping rod 16 stops moving when being installed inside the closed block 20, the first installation block 2 and the second installation block 14 are installed more stably, the position of the splicing block 4 of the expansion joint 3 is protected, when the expansion joint 3 is fixed, the extension rod 6 is rotated to drive the clamping block 5 to change the direction, so as to fix the splicing block 4, then the expansion rod 8 is continuously rotated to drive the sphere 9 and the clamping block 11 on the fixing block 10, and reinforcing one end of the expansion joint 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an expansion joint is fixing device for installation, includes base (1), its characterized in that: the top of the base (1) is fixed with a first mounting block (2), an expansion joint (3) is installed in an inner cavity of the first mounting block (2), a splicing block (4) is installed on the side surface of the expansion joint (3), a clamping block (5) is clamped in the inner cavity of the splicing block (4), an extension rod (6) is fixed at the bottom of the clamping block (5), the extension rod (6) penetrates through the splicing block (4) and extends to the outer end of the first mounting block (2) in a surrounding mode through a tension spring (7), a telescopic rod (8) is installed at the bottom of the first mounting block (2), a ball body (9) is fixed at one end of the telescopic rod (8) extending to the inner cavity of the first mounting block (2), a fixing block (10) wraps the outer portion of the ball body (9), a clamping block (11) is fixed at the top of the fixing block (10), a positioning block (12) is fixed on the side surface of the first mounting block (2), a movable rod (13) is fixed at the bottom, the second installation piece (14) is installed to the one end of movable rod (13), the side of second installation piece (14) is fixed with solid pole cover (15), setting pole (16) are installed to the inner chamber of solid pole cover (15), anchor strut (17) are installed to the one end of setting pole (16), the top of anchor strut (17) is fixed with stopper (18), the bottom of stopper (18) is passed through reset spring (19) and is connected with the bottom transmission of solid pole cover (15) inner chamber, the opposite side of first installation piece (2) is fixed with closed block (20).

2. The expansion joint mounting fixture according to claim 1, wherein: the top of the base (1) is fixed with a supporting rod, and the top of the supporting rod on the base (1) is fixed with the bottom of the first mounting block (2).

3. The expansion joint mounting fixture according to claim 1, wherein: the first mounting block (2) and the second mounting block (14) are semi-cylindrical parts with the same size, and the first mounting block (2) and the second mounting block (14) form a cylindrical part when being attached.

4. The expansion joint mounting fixture according to claim 1, wherein: the bottom of extension rod (6) is fixed with the regulating block, and the top of extension rod (6) bottom regulating block passes through extension spring (7) and is connected with the bottom transmission of first installation piece (2).

5. The expansion joint mounting fixture according to claim 1, wherein: the side of the limiting block (18) is fixed with a poking block, and the surface of one end, extending outside the fixed rod sleeve (15), of the side poking block of the limiting block (18) is provided with anti-skid grains.

6. The expansion joint mounting fixture according to claim 1, wherein: the inner cavity of the sealing block (20) is provided with a position fixing hole matched with one end of the reinforcing rod (17), and the length value of the combination of the sealing block (20) and the rod fixing sleeve (15) is equal to that of the first mounting block (2).