Transverse displacement modular multidirectional displacement expansion joint
By designing a modular multi-directional expansion joint with lateral displacement, the meshing connection between the main tooth plate and the auxiliary tooth plate and waterproofing measures are achieved, solving the problems of stress concentration and rainwater accumulation caused by the lack of lateral displacement function in traditional expansion joints, and improving the structural safety and service life of bridges or buildings.
Patent Information
- Application Number
- CN202520062469.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-13
AI Technical Summary
Traditional expansion joints lack lateral displacement capability, causing stress concentration in bridges or buildings under the influence of factors such as temperature changes and vehicle loads. This leads to accelerated material fatigue damage and cracks or even fractures, and changes in the joint width affect structural safety and service life.
A modular multi-directional displacement expansion joint with lateral displacement is designed. It is connected by the meshing of the main tooth plate and the auxiliary tooth plate, fixed by fixing bolts, and combined with a waterproof mechanism to ensure structural stability and waterproof performance.
It effectively prevents fatigue damage to expansion joint materials, avoids breakage, ensures structural safety and service life, and provides waterproofing to prevent rainwater accumulation.
Smart Images
Figure CN223675139U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge engineering technical field, concretely is a transverse displacement module formula multidirectional displacement expansion joint. BACKGROUND
[0002] Expansion joint, also known as temperature joint or movement joint, is a gap set in structures such as buildings, bridges, roads and pipelines to accommodate thermal expansion and contraction caused by temperature changes. The design of this gap is to allow the structure to freely expand and contract at different temperatures, thereby avoiding stress accumulation due to temperature changes, which can cause damage or even destruction to the structure if not released.
[0003] However, in the prior art, due to the lack of effective transverse displacement function in traditional expansion joints, when bridges or buildings are affected by external factors such as temperature changes and vehicle loads, these structures are prone to additional stress concentration, which not only accelerates material fatigue damage, but also may cause cracking or even breaking problems, thereby affecting the safety and service life of the entire structure. In addition, over time and with changes in environmental conditions, the originally set gap width may change, making some parts too narrow or too wide. Therefore, we provide a transverse displacement module formula multidirectional displacement expansion joint. SUMMARY
[0004] The utility model aims at providing a transverse displacement module formula multidirectional displacement expansion joint to solve the problems raised in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a transverse displacement module formula multidirectional displacement expansion joint, comprising: an adjusting mechanism, the adjusting mechanism comprises a bottom plate, both sides of the top of the bottom plate are provided with sliding rails, first sliding blocks and second sliding blocks are arranged on the two sliding rails, a main gear plate is arranged on the top of the two first sliding blocks, a secondary gear plate is arranged on the top of the two second sliding blocks, a plurality of teeth are formed on one side of the main gear plate close to the secondary gear plate, a plurality of tooth grooves are formed on one side of the secondary gear plate close to the main gear plate, a handle is arranged on one side of the bottom of the main gear plate and the secondary gear plate, a fixing bolt is arranged in the threaded groove of the two first sliding blocks, and a waterproof mechanism is arranged between the two sliding rails.
[0006] As a further preferred embodiment of the present technical solution, the waterproof mechanism comprises a fixed plate, the two sides of the fixed plate are fixedly connected to the opposite sides of the two sliding rails, and a waterproof cloth is fixedly connected inside the fixed plate.
[0007] As a further preferred embodiment of the present technical solution, the top of the bottom plate is fixedly connected with sliding rails on both sides, and the first sliding block and the second sliding block are slidingly connected on the sliding rails.
[0008] As a further preferred of the technical solution, the top of the first slider is fixedly connected with the bottom of the main tooth plate, and the top of the second slider is fixedly connected with the bottom of the secondary tooth plate.
[0009] As a further preferred of the technical solution, the teeth of the main tooth plate are engaged with the tooth grooves of the secondary tooth plate.
[0010] As a further preferred of the technical solution, the bottom side of the main tooth plate and the bottom side of the secondary tooth plate are fixedly connected with a handle.
[0011] As a further preferred of the technical solution, the fixed bolt is threadedly connected with the inner wall of the thread groove of the second slider through the thread groove of the first slider.
[0012] The utility model provides a kind of horizontal displacement module formula multidirectional displacement expansion joint, with following beneficial effects:
[0013] (1) the utility model discloses a handle is provided at the bottom of main tooth plate and secondary tooth plate by respectively pushing, and the direction of push is opposite, after main tooth plate and secondary tooth plate are relatively moved to appropriate distance, the teeth of main tooth plate will be engaged in the tooth groove of secondary tooth plate, so that main tooth plate and secondary tooth plate will be attached together, using fixed bolt can pass through the thread groove of first slider and be threadedly connected in the thread groove of second slider, so that main tooth plate and secondary tooth plate will be fixed after being attached, avoid fatigue damage of expansion joint material to accelerate, and the problem of fracture occurs, ensure the safety and service life of entire structure.
[0014] (2) the utility model discloses a fixed plate and waterproof cloth can provide waterproof measure for the bottom of main tooth plate and secondary tooth plate, so when rainwater leaks through the gap of main tooth plate and secondary tooth plate, rainwater will fall on waterproof cloth, avoid rainwater to cause waterlogging phenomenon to bottom plate. ACCURATE DRAWINGS
[0015] Figure 1 It is a kind of horizontal displacement module formula multidirectional displacement expansion joint structure schematic view of the utility model.
[0016] Figure 2 It is a kind of horizontal displacement module formula multidirectional displacement expansion joint main tooth plate side structure schematic view of the utility model.
[0017] Figure 3 It is a kind of horizontal displacement module formula multidirectional displacement expansion joint secondary tooth plate side structure schematic view of the utility model.
[0018] Figure 4 It is a kind of horizontal displacement module formula multidirectional displacement expansion joint waterproof mechanism side structure schematic view of the utility model.
[0019] Fig. 1, adjusting mechanism; 11, bottom plate; 12, slide rail; 13, first sliding block; 14, second sliding block; 15, main tooth plate; 16, auxiliary tooth plate; 17, tooth; 18, tooth groove; 19, handle; 110, fixing bolt;
[0020] 2, waterproof mechanism; 21, fixed plate; 22, waterproof cloth. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0022] The utility model provides technical scheme: as Figures 1-4 As shown in the figure, in the embodiment, a transverse displacement module type multidirectional displacement expansion joint, comprising: adjusting mechanism 1, adjusting mechanism 1 includes bottom plate 11, the top of bottom plate 11 both sides are provided with slide rail 12, two slide rails 12 are provided with first sliding block 13 and second sliding block 14, the top of bottom plate 11 both sides are fixedly connected with slide rail 12, first sliding block 13 and second sliding block 14 are all slidingly connected on slide rail 12, the top of two first sliding blocks 13 is provided with main tooth plate 15, the top of two second sliding blocks 14 is provided with auxiliary tooth plate 16, the top of first sliding block 13 is fixedly connected with the bottom of main tooth plate 15, the top of second sliding block 14 is fixedly connected with the bottom of auxiliary tooth plate 16, main tooth plate 15 is provided with multiple tooth 17 on the side close to auxiliary tooth plate 16, auxiliary tooth plate 16 is provided with multiple tooth grooves 18 on the side close to main tooth plate 15, the tooth 17 provided with main tooth plate 15 is engaged with the tooth groove 18 opened in auxiliary tooth plate 16, the bottom of main tooth plate 15 and auxiliary tooth plate 16 both sides are provided with handle 19, the bottom of main tooth plate 15 and auxiliary tooth plate 16 both sides are fixedly connected with handle 19, two first sliding blocks 13 are provided with fixing bolt 110 in the thread groove, fixing bolt 110 is connected with the thread groove in the inner wall of second sliding block 14 through the thread groove opened in first sliding block 13, waterproof mechanism 2 is arranged between two slide rails 12.
[0023] When the main tooth plate 15 and the auxiliary tooth plate 16 need to be spliced and installed, the handle 19 provided at the bottom of the main tooth plate 15 and the auxiliary tooth plate 16 can be pushed, and the pushing direction is opposite, so that the first sliding block 13 provided at the bottom of the main tooth plate 15 slides on the slide rail 12, and the second sliding block 14 provided at the bottom of the auxiliary tooth plate 16 also slides on the slide rail 12; when the main tooth plate 15 and the auxiliary tooth plate 16 are relatively moved to a proper distance, the teeth 17 provided on the main tooth plate 15 are engaged in the tooth groove 18 formed on the auxiliary tooth plate 16, so that the main tooth plate 15 and the auxiliary tooth plate 16 are attached together, and the fixing bolt 110 is screwed into the threaded groove formed in the second sliding block 14 through the threaded groove formed in the first sliding block 13, so that the main tooth plate 15 and the auxiliary tooth plate 16 are fixed after being attached together, and the slide rail 12, the first sliding block 13 and the second sliding block 14 ensure the stability of the main tooth plate 15 and the auxiliary tooth plate 16 during displacement.
[0024] As shown in Figures 1-4 The waterproof mechanism 2 includes a fixed plate 21, the two sides of the fixed plate 21 are fixedly connected to the opposite sides of the two slide rails 12, and the fixed plate 21 is fixedly connected with a waterproof cloth 22 inside.
[0025] In the embodiment, the fixed plate 21 and the waterproof cloth 22 can provide waterproof measures for the bottom of the main tooth plate 15 and the auxiliary tooth plate 16, so that when rainwater leaks through the gap between the main tooth plate 15 and the auxiliary tooth plate 16, the rainwater falls on the waterproof cloth 22, avoiding the waterlogging phenomenon of the bottom plate 11 caused by the rainwater.
[0026] The utility model provides a kind of transverse displacement module formula multidirectional displacement expansion joint, and specific working principle is as follows:
[0027] When the main tooth plate 15 needs to be spliced and installed with the auxiliary tooth plate 16, the operator can push the handle 19 at the bottom of the main tooth plate 15 and the auxiliary tooth plate 16 respectively, and it should be noted that the pushing direction is opposite, and in this process, the first sliding block 13 installed on the main tooth plate 15 will slide on the preset slide rail 12, and similarly, the second sliding block 14 installed on the auxiliary tooth plate 16 will also move smoothly along the same pair of slide rails 12, and with the continuous relative movement of the main tooth plate 15 and the auxiliary tooth plate 16, the teeth 17 arranged on the main tooth plate 15 will accurately fall into the pre-designed tooth groove 18 on the auxiliary tooth plate 16, at this time, the close fit between the main tooth plate 15 and the auxiliary tooth plate 16 is realized by this way, in order to ensure that this connection state can be kept stable for a long time, the fixing bolt 110 can also be used to pass through the threaded hole on the first sliding block 13 and be screwed into the corresponding threaded hole of the second sliding block 14, so as to further enhance the bonding strength between the two, in this way, not only can the main tooth plate 15 and the auxiliary tooth plate 16 be firmly fixed together, but also a solid foundation is provided for the normal operation of the subsequent equipment, and the safety and service life of the whole structure are ensured.
[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A transverse displacement modular multidirectional displacement expansion joint, characterized in that, Include: Adjusting mechanism (1), the adjusting mechanism (1) includes bottom plate (11), the top of the bottom plate (11) is provided with slide rail (12) on both sides, first slider (13) and second slider (14) are arranged on the two slide rails (12), the top of the two first sliders (13) is provided with main tooth plate (15), the top of the two second sliders (14) is provided with auxiliary tooth plate (16), the side of the main tooth plate (15) close to auxiliary tooth plate (16) is provided with a plurality of teeth (17), the side of the auxiliary tooth plate (16) close to main tooth plate (15) is provided with a plurality of tooth grooves (18), the bottom side of the main tooth plate (15) and auxiliary tooth plate (16) is provided with handle (19), the threaded groove of the two first sliders (13) is provided with fixed bolt (110) in, the two slide rails (12) are provided with waterproof mechanism (2).
2. A transverse displacement modular multidirectional displacement expansion joint according to claim 1, wherein: The waterproof mechanism (2) includes fixed plate (21), both sides of the fixed plate (21) are fixedly connected to the opposite sides of the two slide rails (12), and the waterproof cloth (22) is fixedly connected inside the fixed plate (21).
3. A transverse displacement modular multidirectional displacement expansion joint according to claim 1, wherein: The top of the bottom plate (11) is fixedly connected with slide rail (12) on both sides, and the first slider (13) and the second slider (14) are slidably connected on the slide rail (12).
4. The module-type multi-way displacement expansion joint of lateral displacement according to claim 1, characterized in that: The top of the first slider (13) is fixedly connected with the bottom of the main tooth plate (15), and the top of the second slider (14) is fixedly connected with the bottom of the auxiliary tooth plate (16).
5. The module-type multi-way displacement expansion joint of lateral displacement according to claim 1, characterized in that: The teeth (17) provided on the main tooth plate (15) are engaged with the tooth grooves (18) provided on the auxiliary tooth plate (16).
6. A transverse displacement modular multidirectional displacement expansion joint according to claim 1, wherein: The bottom side of the main tooth plate (15) and auxiliary tooth plate (16) is fixedly connected with handle (19).
7. A transverse displacement modular multidirectional displacement expansion joint according to claim 1, wherein: The fixed bolt (110) is screwed through the threaded groove of the first slider (13) and the threaded groove of the second slider (14) inner wall.