Floor expansion joint
By widening the expansion joint body and setting up a base and sliding plate structure, the problem of expansion joint cracking during AGV operation was solved, protecting the floor structure and improving the water-blocking effect and service life of the waterstop.
Patent Information
- Application Number
- CN202520366449.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-04
AI Technical Summary
During the operation of existing AGVs, the expansion joints are prone to cracking, which affects the operation of AGVs and damages the ground structure.
Design an expanded expansion joint body, set a base and slide plate structure to increase the stress area, and use two layers of waterstop strips and waterstop grids to improve water blocking effect and service life.
It effectively protects the expansion joint itself and the surrounding floor structure, reduces the impact of force, extends the service life of the waterstop, reduces leakage, and avoids damage to the floor.
Smart Images
Figure CN223907808U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to AGV floor technology field, concretely relates to a floor expansion joint. BACKGROUND
[0002] At present, AGV (automatic guided vehicle) has become the important means of improving production efficiency and realizing intelligent logistics, and the large use of AGV also brings the substantial increase of ground dynamic load, especially in the single crystal factory building of large span and large volume, and this influence is particularly significant.
[0003] In the prior art, the width of the expansion joint of the AGV walking floor is narrow, generally 2cm wide, and there is partial bending in the length direction, and when the AGV runs for a long time, the top of the expansion joint is easy to crack after repeatedly passing through the expansion joint, which finally causes the running of the AGV to be affected, and the floor structure around the expansion joint is also damaged. UTILITY MODEL CONTENTS
[0004] The utility model aims at developing a floor expansion joint which will not crack and the surrounding floor structure will not be damaged even if the AGV repeatedly runs.
[0005] The utility model is realized through the following technical scheme:
[0006] A floor expansion joint comprises:
[0007] A floor;
[0008] An expansion joint body is arranged on the floor;
[0009] A base is arranged on the top of the expansion joint body;
[0010] A sliding plate is arranged on the two bases;
[0011] A water stop is arranged in the expansion joint body and connected with the two bases on both sides;
[0012] The top of the expansion joint body is provided with grooves on both sides, and the base is arranged in the groove.
[0013] Optionally, the floor comprises a concrete base layer, the top of the concrete base layer is provided with an inorganic terrazzo floor layer, the groove is arranged on the inorganic terrazzo floor layer, and the bottom of the groove is the concrete base layer.
[0014] Optionally, a concrete pier is arranged in the groove, and the base is arranged on the concrete pier.
[0015] Optionally, the base comprises a support part and a limiting part, the support part is a horizontal plate structure, the support part is laid on the concrete pier, one end of the support part is flush with the slotted edge, the other end of the support part extends to near the slotted side wall, and the limiting part is arranged at the end of the support part near the slotted side wall.
[0016] Optionally, the limiting part is in a bent shape, and the cross section is in a right trapezoidal shape; the inclined waist of the right trapezoidal limiting part is connected with the support part, and the vertical waist is located at the slotted side wall.
[0017] Optionally, the side part of the water stop belt is between the base support part and the concrete pier, the base support part and the side part of the water stop belt below the base support part are both provided with position-opposed through holes, and the through holes are provided with expansion anchor bolts punched into the concrete pier.
[0018] Optionally, the sliding plate is in contact with the support part of the base, gaps exist between the two ends of the sliding plate and the limiting parts of the two bases, and the gaps are filled with structural glue.
[0019] Optionally, the bottom of the sliding plate is provided with a vertical sliding rod, the sliding rod is located in the middle of the expansion joint body, the end parts of the base support parts on the two sides of the sliding rod are provided with sliding cylinders, the sliding cylinders are arranged along the length direction of the expansion joint body, the inner walls of the sliding cylinders are circular, the side walls of the sliding cylinders close to the sliding rod are provided with plate grooves, sleeves are arranged on the sliding rod, a connecting plate connected with the sleeves is arranged between the two sliding cylinders, the connecting plate is provided with sliding balls at the two ends of the diagonal line, the two sliding balls are arranged in the two sliding cylinders respectively, the connecting plate passes through the plate grooves on the side parts of the sliding cylinders correspondingly, the diameters of the sliding balls are smaller than the inner diameters of the sliding cylinders, and the diameters of the sliding balls are larger than the widths of the plate grooves.
[0020] Optionally, the expansion joint body is 60mm wide, the slotted width is 50mm, the base is made of solvent-free epoxy resin, and the sliding plate is made of stainless steel.
[0021] Optionally, the water stop belt in the expansion joint body is provided with two layers, the water stop grating is arranged between the two layers of water stop belts in the expansion joint body, the water stop grating is in a grid shape, the water stop grating is connected with the two layers of water stop belts at the top and the bottom respectively, the water stop grating and the two layers of water stop belts are in an integrated structure, and the water stop grating divides the space between the two layers of water stop belts into a plurality of independent small cavities.
[0022] The utility model discloses the beneficial effect is:
[0023] The utility model discloses the expansion joint body widening can cut the bending part on the original expansion joint, make expansion joint body present straight line, the expansion joint body both sides are provided with the slot, and the base and sliding plate are supported by the slot, when AGV passes through expansion joint body, the stress area of sliding plate and base bottom increases, reduces the impact force that expansion joint body both sides received, protects expansion joint body top, avoids the damage of expansion joint body around terrace;
[0024] The water stop is provided with two layers, the water blocking effect and service life are improved, when the upper water stop is damaged or leaks, the lower water stop can be used as a bottom to block water again, and with the increase of use time, even if the lower water stop is damaged locally in the later period, due to the existence of the water stop grid, the water stop of other parts still has the water blocking effect, only the position of local damage will leak, the water leakage amount under the condition that both water stops are damaged is reduced, and the damage of the terrace is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creating labor.
[0026] Figure 1 It is a structural diagram of example 1;
[0027] Figure 2 It is a structural diagram of example 2.
[0028] The drawings show that 1 is a concrete base layer, 2 is an inorganic millstone terrace layer, 3 is an expansion joint body, 4 is a slot, 5 is a concrete pier, 6 is a water stop, 7 is a sliding rod, 8 is a connecting plate, 9 is a sleeve, 10 is a sliding ball, 11 is a sliding cylinder, 12 is a plate slot, 13 is a base, 14 is a sliding plate, 15 is a structural adhesive, and 16 is a water stop grid. DETAILED DESCRIPTION
[0029] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.
[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0031] The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of a specific example are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which in itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.
[0032] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0033] Embodiment 1
[0034] As Figure 1 shown, the present embodiment discloses a floor expansion joint, which comprises an expansion joint body 3 opened on the floor, and the floor comprises a concrete base layer 1, and the concrete base layer 1 is provided with an inorganic terrazzo floor layer 2.
[0035] The expansion joint body 3 is 60mm wide, and the inorganic terrazzo floor layer 2 on both sides of the top of the expansion joint body 3 is provided with a slot 4, the slot 4 is 50mm wide, the bottom of the slot 4 is the concrete base layer 1, the cross section of the expansion joint body 3 and the slot 4 on both sides of the top thereof is T-shaped, the slot 4 is provided with a concrete pier 5 at the top, and the top surface of the concrete pier 5 is a plane.
[0036] The top of the concrete pier 5 of the two slots 4 is respectively provided with a base 13, the base 13 is made of solvent-free epoxy resin, the base 13 comprises a supporting part and a limiting part, the supporting part is a horizontal plate structure, the supporting part is laid on the concrete pier 5, one end of the supporting part is flush with the edge of the slot 4, the other end of the supporting part extends to near the side wall of the slot 4, the limiting part is arranged at the end of the supporting part near the side wall of the slot 4, the limiting part is bent, and the cross section of the limiting part is a right trapezoidal shape, the inclined waist of the right trapezoidal shape of the limiting part is connected with the supporting part, and the vertical waist is at the side wall of the slot 4.
[0037] The expansion joint body 3 is equipped with a waterstop 6. The waterstop 6 bends downward inside the expansion joint body 3. Both sides of the waterstop 6 extend to the groove 4. Both sides of the waterstop 6 are located at the bottom of the support part of the base 13. The support part of the base 13 and the side of the waterstop 6 below it are equipped with through holes with opposite positions. Expansion anchor bolts are installed in the through holes and driven into the concrete pier 5. The base 13 and the waterstop 6 are fixed by the expansion anchor bolts.
[0038] The expansion joint body 3 has a stainless steel sliding plate 14 at its top, which rests on a base 13 with two slots 4. The sliding plate 14 contacts the support portion of the base 13, and gaps exist between the two ends of the sliding plate 14 and the limiting portions of the two bases 13. These gaps are filled with structural adhesive 15, which can be acrylic structural adhesive, epoxy resin structural adhesive, polyurethane structural adhesive, or silicone structural adhesive. A vertical sliding rod 7 is located at the bottom of the sliding plate 14, in the middle of the expansion joint body 3. Sliding cylinders 11 are located at the ends of the support portions of the bases 13 on both sides of the sliding rod 7. The sliding cylinders 11 are arranged along the length of the expansion joint body 3, and their inner walls are circular. A groove 12 is provided on the side wall of the sliding cylinder 11 near the sliding rod 7. A sleeve 9 is fitted onto the slide rod 7. A connecting plate 8 connected to the sleeve 9 is provided between the two slide cylinders 11. Sliding balls 10 are respectively provided at the two diagonal ends of the connecting plate 8. The two sliding balls 10 are respectively located inside the two slide cylinders 11. The connecting plate 8 passes through the plate groove 12 on the side of the slide cylinder 11. The diameter of the sliding ball 10 is smaller than the inner diameter of the slide cylinder 11, and the diameter of the sliding ball 10 is larger than the width of the plate groove 12.
[0039] By widening the expansion joint body 3, the curved part of the original expansion joint can be removed, making the expansion joint body 3 straight. The expansion joint body 3 has slots 4 on both sides, and the base 13 and slide plate 14 are supported by the slots 4. When the AGV passes through the expansion joint body 3, the force-bearing area of the slide plate 14 and the bottom of the base 13 increases, reducing the impact force on both sides of the expansion joint body 3, protecting the top of the expansion joint body 3, and preventing damage to the ground around the expansion joint body 3.
[0040] Example 2
[0041] like Figure 2 As shown, this embodiment differs from Embodiment 1 in that the waterstop 6 in the expansion joint body 3 has two layers, upper and lower, and a waterstop grid 16 is provided between the two layers of waterstop 6 in the expansion joint body 3. The waterstop grid 16 is mesh-shaped, and its top and bottom are respectively connected to the two layers of waterstop 6. The waterstop grid 16 and the two layers of waterstop 6 are an integral structure, and the waterstop grid 16 divides the space between the two layers of waterstop 6 into multiple independent small cavities.
[0042] The water stop belt 6 is provided with two layers to improve water blocking effect and service life, when the upper water stop belt 6 is damaged or leaks, the lower water stop belt 6 can be used as a bottom to block water again, and with the increase of use time, even if the lower water stop belt 6 is damaged and leaks locally in the later period, due to the existence of the water stop grid 16, the water stop belt 6 at other positions still has water blocking effect, only the position of local damage will leak, reducing the leakage amount when both water stop belts 6 are damaged, and slowing down the damage of the floor.
[0043] The above embodiments are only preferred embodiments of the present application, and are not a limitation on the technical solutions of the present application. Any technical solution that can be realized on the basis of the above embodiments without creative labor shall be considered to fall within the protection scope of the patent of the present application.
Claims
1. A floor expansion joint, characterized in that The utility model relates to a kind of expansion joint, including: Floor; Expansion joint body, opening in floor; Pedestal, is located in expansion joint body top; Slide plate, is located in two pedestals; Waterstop, it is located in expansion joint body and two sides are connected with two pedestals respectively; Wherein, the top of the expansion joint body is opened with slot on both sides, and the pedestal is arranged in the slot.
2. The expansion joint for a floor according to claim 1, characterized in that The floor includes a concrete base layer, and the top of the concrete base layer is provided with an inorganic terrazzo floor layer.
3. The expansion joint for a floor joint according to claim 1, wherein The slot is provided with a concrete pier, and the pedestal is arranged on the concrete pier.
4. The expansion joint for a floor joint according to claim 3, characterized in that The pedestal includes a support portion and a limiting portion, the support portion is a horizontal plate structure, the support portion is laid on the concrete pier, one end of the support portion is flush with the edge of the slot, the other end of the support portion extends to near the side wall of the slot, and the limiting portion is arranged at the end of the support portion near the side wall of the slot.
5. The expansion joint for a floor according to claim 4, wherein The limiting portion is in a bent shape, and the cross section is in a right trapezoidal shape, the inclined waist of the right trapezoidal limiting portion is connected with the support portion, and the vertical waist is at the side wall of the slot.
6. The expansion joint for a floor joint according to claim 5, wherein The side portion of the waterstop is between the support portion of the pedestal and the concrete pier, the support portion and the side portion of the waterstop below it are both provided with through holes opposite in position, and the through holes are provided with expansion anchor bolts punched into the concrete pier.
7. The expansion joint of claim 5, wherein, The slide plate is in contact with the support portion of the pedestal, and there is a gap between the ends of the slide plate and the limiting portions of the two pedestals, and the gap is filled with structural adhesive.
8. The expansion joint of claim 4, wherein, The bottom of the slide plate is provided with a vertical slide rod, the slide rod is in the middle of the expansion joint body, the end portions of the support portions of the pedestals on both sides of the slide rod are provided with slide cylinders, the slide cylinders are arranged along the length direction of the expansion joint body, the inner walls of the slide cylinders are circular, the side walls of the slide cylinders near the slide rod are provided with plate grooves, a sleeve is sleeved on the slide rod, a connecting plate connected with the sleeve is arranged between the two slide cylinders, the connecting plate is provided with slide balls at the opposite ends, the slide balls are arranged in the two slide cylinders respectively, the connecting plate passes through the plate grooves on the side portions of the slide cylinders, the diameter of the slide ball is smaller than the inner diameter of the slide cylinder, and the diameter of the slide ball is larger than the width of the plate groove.
9. The expansion joint of any one of claims 1 to 8, wherein the at least one of the first and second elongate members is a metal. The expansion joint body is 60mm wide, the slot is 50mm wide, the pedestal is made of solvent-free epoxy resin, and the slide plate is made of stainless steel.
10. The expansion joint of any one of claims 1 to 8, wherein the joint is a floor joint. The waterstop in the expansion joint body is provided with two layers, a waterstop grid is arranged between the two layers of waterstops in the expansion joint body, the waterstop grid is in a grid shape, the top and bottom of the waterstop grid are connected with the two layers of waterstops respectively, the waterstop grid and the two layers of waterstops are an integral structure, and the waterstop grid separates the space between the two layers of waterstops into multiple independent small cavities.