Clamp for bridge support detection
By combining sliding and linkage components, the structural instability and adaptability issues of existing bridge bearing testing fixtures have been resolved, enabling stable fixing and convenient operation of bearings of different shapes.
Patent Information
- Application Number
- CN202422961804.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing bridge bearing testing fixtures are structurally unstable, difficult to adapt to bearings of different shapes, and cumbersome to operate with poor flexibility.
The design employs a combination of sliding and linkage components. The length and width of the clamp are adjusted by the linkage of the threaded sleeve and the threaded rod. The ring arrangement of the limiting components and the cooperation of the sponge sleeve make it adaptable to bridge bearings of different shapes.
The fixture achieves stability and flexibility, adapting to bridge supports of various sizes and shapes, ensuring the safety and convenience of the inspection process.
Smart Images

Figure CN223749438U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to frock detection technical field, concretely is a kind of clamp for bridge bearing detection. BACKGROUND
[0002] Bridge bearing is used to connect and support bridge structure element, can bear the load of bridge deck and bridge span structure, and it is delivered to foundation, can allow the slight displacement of bridge span structure and bridge deck in horizontal, vertical and transverse, to adapt to temperature change, concrete shrinkage and expansion and stress generated by vehicle and pedestrian, can provide necessary friction and reverse bending moment, to ensure the stability and safety of bridge, reduce stress and deformation, easy to replace or repair, to maintain when failure occurs, since bridge bearing has vital role to bridge safety stability, newly manufactured bridge bearing needs to be detected in all aspects, and it needs to be fixed using clamp during detection, but the existing clamp is usually fixed using various bolt clamping plates, and the operation is cumbersome and has poor flexibility, so a new clamp for bridge bearing detection is needed.
[0003] According to the positioning clamp for bridge bearing machining provided in the application number CN201920608123.1, the upper surface of the bottom mounting plate is provided with a hydraulic oil tank and a hydraulic pump on the front and rear sides, respectively, the upper surface of the bottom mounting plate is provided with a hydraulic telescopic rod in the middle, the upper end surface of the hydraulic telescopic rod is provided with a lifting plate, the upper surface of the lifting plate is provided with two left-right symmetrical positioning grooves on the left and right sides in the middle, the inner side surfaces of the positioning grooves are provided with two front-rear symmetrical sliding blocks at the front and rear ends, and the outer side surfaces of the lifting plate are provided with connecting plates on the front and rear sides of the left and right ends.
[0004] The above file is installed and fixed by bolts, is adjusted in lifting by hydraulic telescopic rod, and is positioned by external thread positioning rod, but has the defects of unstable structure and cannot adapt to round and other shaped supports. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims at providing a clamp for bridge bearing detection to solve the technical problems in the above background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.
[0007] A clamp for bridge bearing detection, comprising a base, a first sliding component provided on the top of the base, a first linkage component provided in the middle of the first sliding component, two groups of second sliding components provided on the top of the first sliding component, a second linkage component provided in the middle of the second sliding component, and a limiting component provided on the top of the second sliding component.
[0008] Preferably, the first sliding component comprises two first sliding rails arranged on both sides of the top of the base, two first baffle plates arranged at both ends of the top of the base, and two first sliding plates slidingly arranged in the middle of the two first sliding rails.
[0009] Preferably, the first linkage component comprises two first threaded sleeves penetratingly arranged in the middle of the two first sliding plates, a first threaded rod with a nut connected to the middle of the two first threaded sleeves and both ends rotatably connected to the middle of the two first baffle plates, and a first crank handle arranged at one end of the first threaded rod.
[0010] Preferably, the second sliding component comprises two second sliding rails arranged at both ends of the top of the first sliding plate, two second baffle plates arranged on both sides of the top of the first sliding plate, and two second sliding plates slidingly arranged in the middle of the two second sliding rails.
[0011] Preferably, the second linkage component comprises two second threaded sleeves penetratingly arranged in the middle of the two second sliding plates, a second threaded rod with a nut connected to the middle of the two second threaded sleeves and both ends rotatably connected to the middle of the two second baffle plates, and a second crank handle arranged at one end of the second threaded rod.
[0012] Preferably, the limiting component comprises eight baffle columns arranged in a ring shape on the top of all the four second sliding plates, a sponge sleeve sleeved outside the baffle columns, and a ballast plate arranged on the top of two baffle columns on the top of the same second sliding plate.
[0013] Preferably, the ballast plate comprises bolt holes arranged at both ends of the surface, a bolt groove arranged on the upper end of the baffle column, and a cross bolt threadedly connecting the ballast plate and the baffle column.
[0014] In summary, the technical scheme mainly has the following beneficial effects:
[0015] In the embodiment, the various sliding components are installed together in a stacked manner, which can maintain the stability of the entire device and ensure the safety during pressure testing, and the reasonable arrangement of the various linkage components can adjust the length and width of the installation position in a large range, so that the entire device can adapt to bridge supports of various different lengths and widths.
[0016] The ring-shaped baffle columns arranged on the top of the sliding plate can limit the bridge supports of various shapes such as rectangles and circles, and the obliquely arranged ballast plate installed on the top of the baffle column by bolts can press the upper surface of the bridge support and adjust the thickness of the installation to a certain extent. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is an overall structure isometric view of the utility model;
[0018] Figure 2 is a lower part structure schematic view of the utility model;
[0019] Figure 3 is an upper part structure schematic view of the utility model;
[0020] Figure 4 is a part element split schematic view of the utility model.
[0021] BRIEF DESCRIPTION OF DRAWINGS: 10, base; 11, first sliding part; 12, first linkage part; 13, second sliding part; 14, second linkage part; 15, limiting part; 111, first sliding rail; 112, first baffle; 113, first sliding plate; 121, first threaded sleeve; 122, first threaded rod; 123, first crank; 131, second sliding rail; 132, second baffle; 133, second sliding plate; 141, second threaded sleeve; 142, second threaded rod; 143, second crank; 151, blocking column; 152, sponge sleeve; 153, ballast plate; 1531, bolt hole; 1532, bolt groove; 1533, cross bolt. DETAILED DESCRIPTION
[0022] 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.
[0023] EMBODIMENT
[0024] Please refer to the drawings in the embodiments of the utility model Figure 1 、 2 As shown in the figure, a kind of bridge support detection clamp, including base 10, first sliding part 11 arranged at the top of base 10, first linkage part 12 arranged in the middle of first sliding part 11, two groups of second sliding part 13 arranged at the top of first sliding part 11, second linkage part 14 arranged in the middle of second sliding part 13, limiting part 15 arranged at the top of second sliding part 13;First sliding part 11 includes two first sliding rails 111 arranged at the top of base 10 both sides, two first baffles 112 arranged at the top of base 10 both ends, two first sliding plates 113 slidingly arranged in the middle of two first sliding rails 111;First linkage part 12 includes two first threaded sleeves 121 through being arranged in the middle of two first sliding plates 113, first threaded rod 122 with nut being connected in the middle of two first threaded sleeves 121 and both ends being rotatably connected in the middle of two first baffles 112, first crank 123 being arranged at one end of first threaded rod 122.
[0025] It needs to be explained that the bottom of the first sliding plate 113 contacts the top of the base 10, and the middle of the first sliding plate 113 is engaged with the first sliding rail 111 to slide by digging a groove; the two ends of the first threaded rod 122 are rotatably fixed on the two first baffles 112 through bearings to prevent deviation, the first threaded rod 122 is a double-thread linkage rod with opposite thread directions at the two ends, and the thread directions of the two first threaded sleeves 121 connected with each other through nuts are matched; when the first threaded rod 122 rotates, the two first sliding plates 113 are displaced in opposite directions to achieve the adjustment of the clamping length.
[0026] Further, according to the length of the bridge support base to be clamped, the first handle 123 is shaken, so that the first threaded rod 122 rotates in the middle of the two first baffles 112.
[0027] Further, the rotating first threaded rod 122 engages with the double threads, drives the two first sliding plates 113 to approach or move away from each other through the two first threaded sleeves 121, and the length suitable for installing the bridge support base is achieved.
[0028] Please refer to the accompanying drawings Figure 1 、 3 As shown, the second sliding component 13 includes the second sliding rail 131 arranged at the top of the two ends of the first sliding plate 113, the second baffle 132 arranged at the top of the two sides of the first sliding plate 113, and the two second sliding plates 133 arranged in the middle of the two second sliding rails 131; the second linkage component 14 includes the two second threaded sleeves 141 arranged in the middle of the two second sliding plates 133, the second threaded rod 142 connected with nuts in the middle of the two second threaded sleeves 141 and rotatably connected at the two ends in the middle of the two second baffles 132, and the second handle 143 arranged at one end of the second threaded rod 142.
[0029] It needs to be explained that the bottom of the second sliding plate 133 contacts the top of the first sliding plate 113, and the middle of the second sliding plate 133 is engaged with the second sliding rail 131 to slide by digging a groove; the two ends of the second threaded sleeve 141 are rotatably fixed on the two second baffles 132 through bearings to prevent deviation, and the second threaded rod 142 is also a double-thread linkage rod with opposite thread directions at the two ends; the thread directions of the two second threaded rods 142 connected with each other through nuts are matched; when the second threaded rod 142 rotates, the two second sliding plates 133 are displaced in opposite directions to achieve the adjustment of the clamping width.
[0030] Further, when the length adjustment is completed, the bridge support base is placed above the clamp first;
[0031] Further, according to the width of the bridge support base to be clamped, the second handle 143 is shaken, so that the second threaded rod 142 rotates in the middle of the two second baffles 132.
[0032] Further, the rotating second threaded rods 142 are engaged by double threads, and the two second sliding plates 133 are driven to approach or move away from each other by the two second threaded rods 142, so as to adapt to the width of the bridge support base.
[0033] Please refer to the accompanying drawings Figure 1 、 4 As shown in the drawings, the limiting component 15 includes eight blocking columns 151 arranged in a ring shape on the top of all four second sliding plates 133, a sponge sleeve 152 sleeved outside the blocking columns 151, and a ballast plate 153 arranged on the top of two blocking columns 151 on the top of the same second sliding plate 133; the ballast plate 153 includes bolt holes 1531 arranged at both ends of the surface, bolt grooves 1532 arranged on the upper end of the blocking column 151, and cross bolts 1533 threadedly connecting the ballast plate 153 and the blocking column 151.
[0034] It should be noted that if the bridge support base to be clamped is rectangular, the four corners of the bridge support base are respectively inserted into the middle of the two blocking columns 151 above the same second sliding plate 133, and if the bridge support base to be clamped is circular, it can be placed according to the needs. The installation method of the rectangular bridge support base is introduced below.
[0035] Further, when the bridge support needs to be fixed, the length and width of the clamp are further adjusted to ensure that the sponge sleeves 152 on all the blocking columns 151 are tightly pressed against the side edges of the bridge support base, and the four corners of the rectangular bridge support base are respectively inserted into the middle of the two blocking columns 151 above the same second sliding plate 133.
[0036] Further, the ballast plate 153 is placed above the four corners of the rectangular bridge support base, so that each bolt hole 1531 is respectively aligned with the bolt groove 1532 on the upper end of the corresponding blocking column 151.
[0037] Further, the cross bolts 1533 are passed through the bolt holes 1531 by a screwdriver and tightly screwed into the bolt grooves 1532, and the ballast plate 153 is used to fix the bridge support base on the entire clamp device, so that the detection work can be performed.
[0038] The working principle of the utility model is as follows:
[0039] First, according to the length of the bridge support base to be clamped, the first handle 123 is shaken, so that the first threaded rod 122 rotates in the middle of the two first baffles 112, the rotating first threaded rod 122 is engaged through double threads, and the two first sliding plates 113 are driven by the two first threaded sleeves 121 to approach or move away from each other, so as to achieve the length suitable for installing the bridge support base; when the length adjustment is completed, the bridge support base is placed above the clamp, according to the width of the bridge support base to be clamped, the second handle 143 is shaken, so that the second threaded rod 142 rotates in the middle of the two second baffles 132, the rotating second threaded rod 142 is engaged through double threads, and the two second sliding plates 133 are driven by the two second threaded rods 142 to approach or move away from each other, so as to achieve the width suitable for installing the bridge support base; when the bridge support needs to be fixed, the length and width of the clamp are first adjusted to ensure that the sponge sleeve 152 on all the blocking columns 151 is tightly pressed against the side of the bridge support base, the four corners of the rectangular bridge support base are respectively inserted into the middle of the two blocking columns 151 above the same second sliding plate 133, the ballast plate 153 is placed above the four corners of the rectangular bridge support base, so that each bolt hole 1531 is respectively aligned with the bolt groove 1532 at the upper end of the corresponding blocking column 151, each cross bolt 1533 is passed through the bolt hole 1531 by means of a screwdriver, and is tightly screwed into the bolt groove 1532, the bridge support base is fixed on the entire clamp device through the ballast plate 153, and the detection work can be carried out.
[0040] The above examples only illustrate the technical idea of the present application, and cannot limit the protection scope of the present application. Any modification made on the basis of the technical scheme according to the technical idea of the present application falls within the protection scope of the present application.
Claims
1. A jig for bridge bearing inspection, comprising a base (10), characterized in that First sliding component (11) is arranged on the top of the base (10), first linkage component (12) is arranged in the middle of the first sliding component (11), two groups of second sliding components (13) are arranged on the top of the first sliding component (11), second linkage component (14) is arranged in the middle of the second sliding component (13), limiting component (15) is arranged on the top of the second sliding component (13).
2. The jig for detecting a bridge support according to claim 1, wherein The first sliding component (11) includes two first sliding rails (111) arranged on the top of the base (10) on both sides, two first baffle plates (112) arranged on the top of the base (10) on both ends, and two first sliding plates (113) arranged in the middle of the two first sliding rails (111).
3. The jig for detecting a bridge support according to claim 2, wherein The first linkage component (12) includes two first threaded sleeves (121) arranged in the middle of the two first sliding plates (113), a first threaded rod (122) with a nut connected in the middle of the two first threaded sleeves (121) and both ends rotatably connected in the middle of the two first baffle plates (112), and a first crank (123) arranged on one end of the first threaded rod (122).
4. The jig for detecting a bridge support according to claim 2, wherein The second sliding component (13) includes second sliding rails (131) arranged on both ends of the top of the first sliding plate (113), second baffle plates (132) arranged on both sides of the top of the first sliding plate (113), and two second sliding plates (133) arranged in the middle of the two second sliding rails (131).
5. The jig for detecting a bridge support according to claim 4, wherein The second linkage component (14) includes two second threaded sleeves (141) arranged in the middle of the two second sliding plates (133), a second threaded rod (142) with a nut connected in the middle of the two second threaded sleeves (141) and both ends rotatably connected in the middle of the two second baffle plates (132), and a second crank (143) arranged on one end of the second threaded rod (142).
6. The jig for detecting a bridge support according to claim 4, wherein The limiting component (15) includes eight blocking columns (151) arranged in a ring shape on the top of the four second sliding plates (133), a sponge sleeve (152) sleeved outside the blocking column (151), and a ballast plate (153) arranged on the top of the two blocking columns (151) on the top of the same second sliding plate (133).
7. The jig for detecting a bridge support according to claim 6, wherein The ballast plate (153) includes bolt holes (1531) arranged on both ends of the surface, bolt grooves (1532) arranged on the upper end of the blocking column (151), and cross bolts (1533) threadedly connecting the ballast plate (153) and the blocking column (151).
Citation Information
Patent Citations
Positioning clamp for bridge support machining
CN210209549U