Unit assembly type multidirectional displacement telescopic device

Abstract

The utility model discloses a unit assembly type multidirectional displacement telescopic device, which relates to the technical field of bridge construction, and comprises a left fixed seat plate, an elastic fixed component, a displacement shaft, a displacement toothed plate and a right fixed toothed plate, and the elastic fixed component penetrates through the left fixed seat plate or / and the displacement toothed plate to be fixed with a left beam end step bottom plate; the right fixed toothed plate is mounted on the right beam end step bottom plate; the displacement shaft is arranged between the left fixed seat plate and the displacement toothed plate; and the left fixed seat plate and the displacement toothed plate are arranged at a certain distance. The unit assembly type multidirectional displacement telescopic device solves the problems that in the prior art, the multidirectional displacement effect is not ideal, the actual use requirement cannot be met, the service life is short, and damage is prone to occurring.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction, in particular to a unit assembled multi-directional displacement telescopic device. Background Art

[0002] With the development of society, many bridges need to be built to ensure the convenience of traffic. The expansion joints of the bridges need to be equipped with expansion devices to bridge the gap of thermal expansion and contraction of the bridge sections. In the prior art, the invention patent with the publication number CN117385738A discloses a unit-type multi-directional displacement expansion device installation structure for a super-large bridge. The expansion device includes a span plate and a fixed comb steel plate. One end of the span plate is fixed to the multi-directional displacement hinge and the rear anti-collision plate by a pre-embedded bolt group on the short step side of the beam end, and one end of the fixed comb steel plate is fixed to the long step side of the beam end by a pre-embedded bolt group. The patented technical solution is improved on the basis of the existing displacement tooth plate and the fixed tooth plate. Although a certain shock absorption effect is achieved, the displacement is only achieved by the displacement hinge, and the effect in multi-directional displacement is not ideal. The applicant has been engaged in the design and production of buildings and bridge-related structures for a long time, and found that the multi-directional displacement structure of the prior art cannot meet the actual use needs, and has the problems of short service life and easy damage.

[0003] Therefore, it is necessary to develop a unit-assembled multi-directional displacement telescopic device to address the above-mentioned defects. Utility Model Content

[0004] The utility model aims to provide a unit-assembled multi-directional displacement telescopic device, which can solve the problems of the prior art in that the multi-directional displacement effect is not ideal, cannot meet the actual use requirements, has a short service life and is easy to damage.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] The utility model discloses a unit-assembled multi-directional displacement telescopic device, comprising a left fixed seat plate, an elastic fixing component, a displacement shaft, a displacement tooth plate and a right fixed tooth plate, wherein the elastic fixing component passes through the left fixed seat plate and / or the displacement tooth plate and is fixed to the stepped bottom plate at the left beam end; the right fixed tooth plate is installed on the stepped bottom plate at the right beam end; the displacement shaft is arranged between the left fixed seat plate and the displacement tooth plate; the left fixed seat plate and the displacement tooth plate are arranged at a certain distance.

[0007] Furthermore, the elastic fixing assembly includes a first clamping bolt, a second clamping bolt, a clamping spring and a plurality of embedded sleeves, and the plurality of embedded sleeves are all fixed on the stepped bottom plate at the left beam end; the first clamping bolt passes through the left fixed seat plate and is fixedly connected to the corresponding embedded sleeve; the second clamping bolt passes through the displacement tooth plate, the clamping spring and the left fixed seat plate in sequence and is fixedly connected to the corresponding embedded sleeve.

[0008] Furthermore, a mounting position adapted to the displacement tooth plate is provided on the left fixed seat plate; the surface of the mounting position in the horizontal direction is in the same plane as the top of the stepped bottom plate at the right beam end.

[0009] Furthermore, the cross-section of the shifting shaft is circular or a combination of a semicircular upper part and a rectangular lower part; the left fixed seat plate is also provided with a first fixed groove adapted to the shifting shaft; the shifting gear plate is provided with a second fixed groove adapted to the shifting shaft.

[0010] Furthermore, the left fixed seat plate is provided with a plurality of second mounting holes adapted to the first clamping bolts and a plurality of third mounting holes adapted to the second clamping bolts, and the plurality of second mounting holes and the plurality of third mounting holes are staggered.

[0011] Furthermore, the displacement tooth plate is provided with a plurality of first mounting holes adapted to the first clamping bolts, and the plurality of first mounting holes are symmetrically arranged on both sides of the displacement shaft.

[0012] Furthermore, the left fixed seat plate is provided with a first accommodating groove adapted to the compression spring; and the displacement tooth plate is provided with a second accommodating groove adapted to the compression spring.

[0013] Furthermore, a fastening bolt is installed on the right fixed tooth plate, and the fastening bolt passes through the right fixed tooth plate and is connected to a fastening sleeve embedded in the stepped bottom plate at the right beam end.

[0014] Furthermore, it also includes a series rod, which passes through the bottom of several embedded sleeves or several fastening sleeves connected in the same row, and multiple series rods are arranged in parallel and have the same length as the displacement axis; and several anchor rods are symmetrically arranged on both sides of the series rod.

[0015] Furthermore, an elastic seal is provided between the left fixed seat plate and the shifting tooth plate.

[0016] Compared with the prior art, the beneficial technical effects of the utility model are:

[0017] The utility model discloses a unit-assembled multi-directional displacement telescopic device, which optimizes the movable tooth plate of a conventional multi-directional displacement telescopic device into two parts: a fixed tooth plate and a displacement tooth plate, so that the displacement tooth plate can be displaced around a displacement axis, thereby realizing a more effective multi-directional displacement function and having a more ideal multi-directional displacement function, which can better meet the actual use requirements; a plurality of second clamping bolts and clamping springs are arranged on both sides of the displacement axis, and the clamping springs follow the displacement of the displacement tooth plate and play a rebound and reset role, so that the displacement recovery effect is better.

[0018] In addition, the anchoring effect is achieved by combining the clamping bolt with the embedded sleeve, and the fastening bolt with the fastening sleeve, that is, the anchoring bolt is screwed back into the anchoring sleeve. Compared with the conventional anchoring screw and nut, the anchoring strength of this unit-assembled multi-directional displacement telescopic device is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model will be further described below in conjunction with the accompanying drawings.

[0020] Figure 1 This is a cross-sectional structural diagram of the unit-assembled multi-directional displacement telescopic device of the utility model;

[0021] Figure 2 This is a schematic diagram of the top view of the structure of the unit-assembled multi-directional displacement telescopic device of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure after the first positioning plate and the second positioning plate in the utility model are installed;

[0023] Figure 4 It is a structural schematic diagram of the left fixed seat plate, the displacement tooth plate and the right fixed tooth plate in the utility model;

[0024] Figure 5 It is a schematic diagram of the top view of the structure of the first positioning plate and the second positioning plate in the utility model;

[0025] Figure 6 It is a structural schematic diagram of the embedded sleeve and the fastening sleeve in the utility model after installation;

[0026] Figure 7 This is a schematic diagram of the structure after the left fixed seat plate and the right fixed gear plate in the utility model are installed;

[0027] Figure 8 It is a cross-sectional structural schematic diagram of a unit-assembled multi-directional displacement telescopic device in another embodiment of the utility model;

[0028] Fig. 9 It is a schematic cross-sectional structure diagram of a unit-assembled multi-directional displacement telescopic device in another embodiment of the utility model.

[0029] Explanation of the accompanying drawings: 1. Left fixed seat plate; 2. Elastic fixing assembly; 3. Displacement shaft; 4. Displacement tooth plate; 5. Right fixed tooth plate; 6. Stepped bottom plate at left beam end; 7. Stepped bottom plate at right beam end; 11. Mounting position; 12. First accommodating groove; 13. Second mounting hole; 14. Third mounting hole; 21. First clamping bolt; 22. Second clamping bolt; 23. Compression spring; 24. Embedded sleeve; 41. First mounting hole; 42. Elastic seal; 81. Fastening bolt; 82. Fastening sleeve; 83. Series rod; 84. Anchor rod; 91. First positioning plate; 92. Second positioning plate. DETAILED DESCRIPTION

[0030] The core of the utility model is to provide a unit-assembled multi-directional displacement telescopic device, which can solve the problems of the prior art in that the multi-directional displacement effect is not ideal, cannot meet the actual use requirements, has a short service life, and is easy to damage.

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0033] Example 1

[0034] Please also read Figures 1 to 8 Now, a specific embodiment of a unit-assembled multi-directional displacement telescopic device provided by the utility model is described. The unit-assembled multi-directional displacement telescopic device includes a left fixed seat plate 1, an elastic fixing component 2, a displacement shaft 3, a displacement tooth plate 4 and a right fixed tooth plate 5. The elastic fixing component 2 passes through the left fixed seat plate 1 and / or the displacement tooth plate 4 and is fixed to the left beam end step bottom plate 6. The right fixed tooth plate 5 is installed on the right beam end step bottom plate 7. The displacement shaft 3 is arranged between the left fixed seat plate 1 and the displacement tooth plate 4. The left fixed seat plate 1 and the displacement tooth plate 4 are arranged at a certain distance to realize the displacement of the displacement tooth plate 4.

[0035] For ease of explanation, please also refer to Figure 1 to Figure 2, take any point in space as the origin, take the setting direction of the left fixed seat plate 1 relative to the stepped bottom plate 6 at the left beam end as the Z axis, take the setting direction of the right fixed tooth plate 5 relative to the displacement tooth plate 4 as the X axis, and take the straight line direction perpendicular to both the X axis and the Z axis as the Y axis to establish a rectangular coordinate system, wherein the XY plane is a horizontal plane, the direction indicated on the horizontal plane is the horizontal direction, and the direction indicated by the Z axis is the vertical direction.

[0036] In this embodiment, the cross section of the displacement shaft 3 is a circle or a combination of a semicircle at the top and a rectangle at the bottom. The left fixed seat plate 1 is also provided with a first fixing groove adapted to the displacement shaft 3. The displacement tooth plate 4 is provided with a second fixing groove adapted to the displacement shaft 3. The interval between the left fixed seat plate 1 and the displacement tooth plate 4 is very small, and the gap that can realize a certain displacement function of the displacement tooth plate 4 is sufficient.

[0037] In a specific embodiment of the present utility model, the elastic fixing assembly 2 includes a first clamping bolt 21, a second clamping bolt 22, a clamping spring 23 and a plurality of embedded sleeves 24, and the plurality of embedded sleeves 24 are fixed to the left beam end step bottom plate 6. The first clamping bolt 21 penetrates the left fixed seat plate 1 and is fixedly connected to the corresponding embedded sleeve 24. The second clamping bolt 22 sequentially penetrates the displacement tooth plate 4, the clamping spring 23 and the left fixed seat plate 1 and is fixedly connected to the corresponding embedded sleeve 24.

[0038] In this embodiment, the left fixed seat plate 1 is provided with a plurality of second mounting holes 13 adapted to the first clamping bolts 21 and a plurality of third mounting holes 14 adapted to the second clamping bolts 22 , and the plurality of second mounting holes 13 and the plurality of third mounting holes 14 are staggered.

[0039] In a specific embodiment of the utility model, a mounting position 11 adapted to the displacement tooth plate 4 is provided on the left fixed seat plate 1. The surface of the mounting position 11 in the horizontal direction is in the same plane as the top of the right beam end step bottom plate 7. The displacement tooth plate 4 is provided with a plurality of first mounting holes 41 adapted to the first clamping bolts 21, and the plurality of first mounting holes 41 are symmetrically arranged on both sides of the displacement shaft 3.

[0040] In this embodiment, the left fixed seat plate 1 is provided with a first receiving groove 12 adapted to the compression spring 23. The displacement tooth plate 4 is provided with a second receiving groove adapted to the compression spring 23.

[0041] In a specific embodiment of the utility model, a fastening bolt 81 is installed on the right fixed tooth plate 5, and the fastening bolt 81 passes through the right fixed tooth plate 5 and is connected to a fastening sleeve 82 embedded in the right beam end step bottom plate 7. For the convenience of construction, a first positioning plate 91 detachably connected to the embedded sleeve 24 and a second positioning plate 92 detachably connected to the fastening sleeve 82 are also provided. The first positioning plate 91 is provided with a plurality of first positioning holes for installing the embedded sleeve 24. The second positioning plate 92 is provided with a plurality of second positioning holes corresponding to the fastening sleeve 82 one by one. Both the first positioning plate 91 and the second positioning plate 92 can be rectangular steel plates.

[0042] Compared with the prior art, this unit-assembled multi-directional displacement telescopic device optimizes the movable tooth plate of the conventional multi-directional displacement telescopic device into two parts, namely, the left fixed seat plate 1 and the displacement tooth plate 4, so that the displacement tooth plate 4 is displaced around the displacement shaft 3, thereby realizing a more effective multi-directional displacement function and having a more ideal multi-directional displacement function, which can better meet the actual use requirements; a plurality of second clamping bolts 22 and clamping springs 23 are arranged on both sides of the displacement shaft 3, and the clamping springs 23 follow the displacement of the displacement tooth plate 4 and play a rebound and reset role, so that the displacement recovery effect is better, the structure is more reasonable, and the service life is longer. , not easy to be damaged; the left fixed seat plate 1 and the displacement tooth plate 4 are connected together by the second clamping bolt 22 and the embedded sleeve 24, and the clamping bolt and the embedded sleeve 24, the fastening bolt 81 and the fastening sleeve 82 are used to achieve the anchoring effect, that is, the anchor bolt is screwed into the anchor sleeve in reverse, compared with the conventional anchor screw and nut, the anchoring strength of this unit assembled multi-directional displacement telescopic device is enhanced, and at the same time, the outer sides of the embedded sleeve 24 and the fastening sleeve 82 are provided with grooves, which increases the bonding ability of the embedded sleeve 24 and the fastening sleeve 82 with concrete.

[0043] The working process of the unit-assembled multi-directional displacement telescopic device of the utility model is as follows: according to the embedded position of the embedded sleeve 24 and the fastening sleeve 82, the first positioning hole and the second positioning hole are processed by wire cutting or laser cutting at the corresponding positions on the first positioning plate 91 and the second positioning plate 92. The hole positions are consistent with the embedded positions of the elastic fixing component 2 and the fastening bolt 81 in this unit-assembled multi-directional displacement telescopic device, so as to realize the positioning of the anchoring position. On the basis of positioning the first positioning plate 91 and the second positioning plate 92, the embedded sleeve 24 and the fastening sleeve 82 are pre-embedded. After the embedding is completed, the first positioning plate 91 and the second positioning plate 92 are taken out. The left fixed seat plate 1 and the right fixed tooth plate 5, the stainless steel plate and the waterproof device are installed. The stainless steel plate and the waterproof device are prior art and will not be described in detail here. The left fixed seat plate 1 and the right fixed tooth plate 5 are fixed to the embedded sleeve 24 and the fastening sleeve 82 respectively by the first clamping bolt 21 and the fastening bolt 81. Install the compression spring 23, displacement shaft 3, displacement tooth plate 4, and tighten the second compression bolt 22. Pour high-strength asphalt between the left fixed seat plate 1 and the left beam end step bottom plate 6, and between the right fixed tooth plate 5 and the right beam end step bottom plate 7, and the construction is completed.

[0044] Example 2

[0045] Please also read Figures 1 to 9 As another embodiment of the present invention, the structure of this unit-assembled multi-directional displacement telescopic device is basically the same as that in the above embodiment, except that an elastic seal 42 is provided between the left fixed seat plate 1 and the displacement tooth plate 4. The elastic seal 42 can be a thin rubber plate, which is used to prevent dust and garbage from entering the telescopic device and cooperate with displacement. Here, as long as the relevant performance of the elastic seal 42 can be achieved, it is within the scope of protection of this application document.

[0046] In this embodiment, the device further includes a series rod 83, which penetrates through the bottom of several embedded sleeves 24 or several fastening sleeves 82 connected in the same row, and multiple series rods 83 are arranged in parallel and have the same length as the displacement axis 3. Here, a row is a row of sleeves arranged along the Y-axis direction. Several anchor rods 84 are symmetrically arranged on both sides of any series rod 83, and the anchor rods 84 ensure the fixing effect between the series rod 83 and the concrete. By adding series rods 83, not only can the spacing distance of the embedded sleeves 24 or fastening sleeves 82 in the same row be guaranteed, which is convenient for quick installation, but also can support each other during the concrete pouring process to avoid being skewed by the impact of concrete.

[0047] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0048] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A unit-assembled multi-directional displacement telescopic device, characterized in that: The invention comprises a left fixed seat plate (1), an elastic fixed component (2), a displacement shaft (3), a displacement tooth plate (4) and a right fixed tooth plate (5); the elastic fixed component (2) passes through the left fixed seat plate (1) and / or the displacement tooth plate (4) and is fixed to the stepped bottom plate (6) at the left beam end; the right fixed tooth plate (5) is installed on the stepped bottom plate (7) at the right beam end; the displacement shaft (3) is arranged between the left fixed seat plate (1) and the displacement tooth plate (4); the left fixed seat plate (1) and the displacement tooth plate (4) are arranged at a certain distance.

2. The unit-assembled multi-directional displacement telescopic device according to claim 1 is characterized in that: The elastic fixing assembly (2) comprises a first clamping bolt (21), a second clamping bolt (22), a clamping spring (23) and a plurality of embedded sleeves (24), wherein the plurality of embedded sleeves (24) are all fixed on the stepped bottom plate (6) at the left beam end; the first clamping bolt (21) passes through the left fixed seat plate (1) and is fixedly connected to the corresponding embedded sleeve (24); the second clamping bolt (22) passes through the displacement tooth plate (4), the clamping spring (23) and the left fixed seat plate (1) in sequence and is fixedly connected to the corresponding embedded sleeve (24).

3. The unit-assembled multi-directional displacement telescopic device according to claim 2 is characterized in that: The left fixed seat plate (1) is provided with a mounting position (11) adapted to the displacement tooth plate (4); the surface of the mounting position (11) in the horizontal direction is in the same plane as the top of the stepped bottom plate (7) at the right beam end.

4. The unit-assembled multi-directional displacement telescopic device according to claim 2 is characterized in that: The cross section of the displacement shaft (3) is circular or a combination of a semicircular upper portion and a rectangular lower portion; the left fixed seat plate (1) is also provided with a first fixing groove adapted to the displacement shaft (3); the displacement gear plate (4) is provided with a second fixing groove adapted to the displacement shaft (3).

5. The unit-assembled multi-directional displacement telescopic device according to claim 2 is characterized in that: The left fixed seat plate (1) is provided with a plurality of second mounting holes (13) adapted to the first clamping bolt (21) and a plurality of third mounting holes (14) adapted to the second clamping bolt (22); the plurality of second mounting holes (13) and the plurality of third mounting holes (14) are arranged in an alternating manner.

6. The unit-assembled multi-directional displacement telescopic device according to claim 2, characterized in that: The displacement tooth plate (4) is provided with a plurality of first mounting holes (41) adapted to the first clamping bolts (21), and the plurality of first mounting holes (41) are symmetrically arranged on both sides of the displacement shaft (3).

7. The unit-assembled multi-directional displacement telescopic device according to claim 2 is characterized in that: The left fixed seat plate (1) is provided with a first accommodating groove (12) adapted to the compression spring (23); the displacement tooth plate (4) is provided with a second accommodating groove adapted to the compression spring (23).

8. The unit-assembled multi-directional displacement telescopic device according to claim 2 is characterized in that: A fastening bolt (81) is installed on the right fixed tooth plate (5), and the fastening bolt (81) passes through the right fixed tooth plate (5) and is connected to a fastening sleeve (82) pre-buried in the right beam end step bottom plate (7).

9. The unit-assembled multi-directional displacement telescopic device according to claim 8, characterized in that: It also includes a series rod (83), which passes through the bottom of several embedded sleeves (24) or several fastening sleeves (82) connected in the same row, and the multiple series rods (83) are arranged in parallel and have the same length as the displacement axis (3); and several anchor rods (84) are symmetrically arranged on both sides of the series rod (83).

10. The unit-assembled multi-directional displacement telescopic device according to any one of claims 1 to 9, characterized in that: An elastic sealing member (42) is provided between the left fixed seat plate (1) and the shifting tooth plate (4).

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