Portable bridge support shearing angle detection device

Abstract

The utility model provides a portable bridge support shearing angle detection device, including reference axle stem and reference vertical pole, reference axle stem one side is connected with angle ruler fixedly, reference axle stem other side is connected with a plurality of connecting rods with reference vertical pole spare, connecting rod is rotatably connected with reference axle stem and reference vertical pole, reference axle stem lower extreme rotatably connected with pointer, the pointer upper end is close to angle ruler one side, still include level bubble, protective cover and fixed component, fixed component sets up on reference vertical pole and is connected with level bubble, is used for with level bubble is fixed on reference vertical pole or release level bubble's fixed, protective cover is set up on reference vertical pole outside level bubble and can dismantle, the utility model discloses level bubble detachable, has lowered maintenance cost, and protective cover can provide physical protection barrier for level bubble, reduce the damage that collision causes to it, and then prolong the service life of level bubble.

Description

Technical Field

[0001] This utility model belongs to the field of bridge inspection technology, and in particular relates to a portable bridge bearing shear angle detection device. Background Technology

[0002] The support shear angle refers to the angle between the support plate and the main beam at their intersection. In structural design, the support shear angle is often used to calculate support schemes in cement concrete frame structures. The magnitude of this angle affects the stress on the structure and the complexity of the stress conditions.

[0003] The existing bearing shear measuring device includes a reference shaft, with a protractor fixedly connected to one side of the reference shaft, and a pointer rotatably connected to the lower end of the reference shaft via bolts. It also includes a reference upright parallel to the reference shaft, with a spirit level on the upright. Two parallel connecting rods connect the reference upright and the reference shaft, with each connecting rod's ends rotatably connected to the reference shaft and the reference upright via pins. During measurement, the lower end of the reference upright is always supported on the pier, ensuring verticality, while the reference shaft can move up and down as needed without changing its verticality, thus guaranteeing measurement accuracy.

[0004] To determine whether the reference pole is vertical, a level bubble is installed on it. However, the level bubble in existing devices is not easily removable. Since the level bubble is always exposed, it is prone to collisions with external objects during device transport, leading to damage. Furthermore, the level bubble is not removable; if a problem occurs, the entire measuring device may need to be replaced, undoubtedly increasing maintenance costs. Utility Model Content

[0005] The purpose of this invention is to provide a portable bridge bearing shear angle detection device. The level is detachable, which reduces maintenance costs, and the protective cover provides a physical protective barrier for the level, reducing damage caused by collisions and thus extending the service life of the level.

[0006] This utility model is achieved through the following technical solution:

[0007] A portable bridge bearing shear angle detection device includes a reference shaft and a reference upright. A protractor is fixedly connected to one side of the reference shaft, and several connecting rods are connected to the reference upright on the other side of the reference shaft. The connecting rods are rotatably connected to the reference shaft and the reference upright. A pointer is rotatably connected to the lower end of the reference shaft, and the upper end of the pointer is close to one side of the protractor. The device also includes a spirit level, a protective cover, and a fixing component. The fixing component is set on the reference upright and connected to the spirit level, and is used to fix the spirit level on the reference upright or release the spirit level. The protective cover is sleeved on the outside of the spirit level and is detachably set on the reference upright.

[0008] Furthermore, a plug is provided on one side of the spirit level, and a limiting hole is provided on the plug. A receiving cavity is provided inside the reference pole, and a slot for inserting the plug is provided on one side of the reference pole. A plug hole is provided on the side wall of the slot corresponding to the position of the limiting hole. The plug hole is connected to the receiving cavity. The fixing assembly includes a limiting rod and a driving mechanism. The driving mechanism is located in the receiving cavity and connected to the plug rod, and is used to drive the plug rod to move in the vertical direction, so that the plug rod is inserted into the plug hole and the limiting hole.

[0009] Furthermore, the drive mechanism includes a nut seat, a lead screw, and a knob. The lead screw is rotatably disposed within the receiving cavity. The top end of the lead screw passes through the top of the reference upright and is connected to the knob. The nut seat is threadedly connected to the lead screw and is also connected to the insert rod.

[0010] Furthermore, a guide block is provided on one side of the nut seat, and a groove is provided on the side wall of the receiving cavity, with the guide block slidably disposed in the groove.

[0011] Furthermore, the top and bottom of the protective cover are respectively provided with slots, and the reference pole is provided with a snap-fit ​​mechanism that cooperates with the slots. The protective cover is detachably mounted on the reference pole by snapping it with the slots and the snap-fit ​​mechanism.

[0012] Furthermore, the snap-fit ​​mechanism includes a snap-fit ​​housing, a displacement plate, a spring, and a snap-fit ​​block. The snap-fit ​​housing is hollow inside and open at one end. The displacement plate is slidably disposed inside the snap-fit ​​housing. The spring is disposed inside the snap-fit ​​housing, with one end of the spring connected to the snap-fit ​​housing and the other end connected to the displacement plate. The snap-fit ​​block is disposed on the side of the displacement plate away from the spring. The interface of the snap-fit ​​block is triangular, and the shape of the snap-fit ​​groove matches the snap-fit ​​block.

[0013] Compared with the prior art, the advantages of this utility model are as follows: the reference pole is detachably connected to the level bubble through a fixing component, making the level bubble detachable. Once the level bubble is damaged, only the damaged level bubble needs to be replaced, without replacing the entire device, thus reducing maintenance costs. Furthermore, a protective cover for protecting the level bubble is provided on the reference pole. When the level bubble is not in use, the protective cover can be installed on the reference pole. The protective cover can provide a physical protective barrier for the level bubble, reducing damage caused by collisions and thus extending the service life of the level bubble. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the portable bridge bearing shear angle detection device of this utility model;

[0015] Figure 2 This is a cross-sectional view of the reference column in the portable bridge bearing shear angle detection device of this utility model.

[0016] Figure 3 for Figure 2 Enlarged schematic diagram of part A.

[0017] In the diagram, 1-reference shaft, 2-reference upright, 21-accommodating cavity, 22-insertion hole, 23-slide groove, 24-slot, 3-protractor, 4-connecting rod, 5-pointer, 6-level bubble, 61-insertion block, 7-protective cover, 71-slot, 8-fixing component, 81-limiting rod, 82-nut seat, 83-lead screw, 84-knob, 85-guide block, 9-clamping mechanism, 91-clamping shell, 92-displacement plate, 93-spring, 94-clamping block. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0020] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, in the description of this utility model, terms such as "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0021] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0022] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] Please see Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the portable bridge bearing shear angle detection device of this utility model. Figure 2 This is a cross-sectional view of the reference pole in the portable bridge bearing shear angle detection device of this utility model. A portable bridge bearing shear angle detection device includes a reference shaft 1, a reference pole 2, a spirit level 6, a protective cover 7, and a fixing assembly 8. A protractor 3 is fixedly connected to one side of the reference shaft 1, and several connecting rods 4 are connected to the reference pole 2 on the other side of the reference shaft 1. The connecting rods 4 are rotatably connected to the reference shaft 1 and the reference pole 2. The protractor 3 has angle graduations. A pointer 5 is rotatably connected to the lower end of the reference shaft 1, and the pointer 5 has an indicator line. The upper end of the pointer 5 is close to the side of the protractor 3 with graduations. The fixing assembly 8 is mounted on the reference pole 2 and connected to the spirit level 6, used to fix the spirit level 6 to the reference pole 2 or to release the spirit level 6. The protective cover 7 is sleeved on the outside of the spirit level 6 and is detachably mounted on the reference pole 2.

[0024] The reference pole 2 of this portable bridge bearing shear angle detection device is detachably connected to the level 6 via a fixing component 8, making the level 6 detachable. If the level 6 is damaged, only the damaged level 6 needs to be replaced, without replacing the entire device, thus reducing maintenance costs. Furthermore, the reference pole 2 is equipped with a protective cover 7 to protect the level 6. When the level 6 is not in use, the protective cover 7 can be installed on the reference pole 2. The protective cover 7 can provide a physical protective barrier for the level 6, reducing damage caused by collisions and thus extending the service life of the level 6.

[0025] Please refer to the following: Figure 3 , Figure 3 for Figure 2A magnified schematic diagram of part A. In one embodiment, a plug 61 is provided on one side of the spirit level 6, and a limiting hole is provided on the plug 61. A receiving cavity 21 is provided inside the reference rod 2. A slot 24 for inserting the plug 61 is provided on one side of the reference rod 2. A plug hole 22 is provided on the side wall of the slot 24 corresponding to the position of the limiting hole. The plug hole 22 is connected to the receiving cavity 21. The fixing assembly 8 includes a limiting rod 81 and a driving mechanism. The driving mechanism is disposed in the receiving cavity 21 and connected to the plug rod, and is used to drive the plug rod to move in the vertical direction, so that the plug rod is inserted into the plug hole 22 and the limiting hole.

[0026] In one embodiment, the driving mechanism includes a nut seat 82, a lead screw 83, and a knob 84. The lead screw 83 is rotatably disposed within the receiving cavity 21. The top end of the lead screw 83 passes through the top of the reference upright 2 and connects to the knob 84. The nut seat 82 is threadedly connected to the lead screw 83 and also connected to the insertion rod. The driving mechanism uses a lead screw 83 structure to convert the rotation of the lead screw 83 into vertical movement of the nut seat 82, thereby driving the limiting rod 81 to move vertically through the nut seat 82. The knob 84 is provided to facilitate manual rotation of the lead screw 83. In one embodiment, the knob 84 is polygonal. The corners of the polygonal knob 84 can increase the friction between the hand and the knob 84. In one embodiment, a guide block 85 is provided on one side of the nut seat 82, and a groove 23 is provided on the side wall of the receiving cavity 21. The guide block 85 is slidably disposed within the groove 23. The rotation of the nut seat 82 is restricted by the cooperation of the guide block 85 and the groove 23, allowing the nut seat 82 to move smoothly vertically along the lead screw 83. This arrangement eliminates the need for the nut seat 82 to slide against the receiving cavity 21, allowing for a reduction in the size of the nut seat 82. In one embodiment, the lead screw 83 is made of stainless steel. Stainless steel lead screw 83 has excellent corrosion resistance and can be used for extended periods in harsh environments such as humidity, acids, alkalis, and salt spray without rusting.

[0027] In one embodiment, the protective cover 7 has slots 71 at its top and bottom, and a snap-fit ​​mechanism 9 that mates with the slots 71 is provided on the reference pole 2. The protective cover 7 is detachably mounted on the reference pole 2 by snapping it with the slots 71 and the snap-fit ​​mechanism 9. The snap-fit ​​installation of the protective cover 7 and the reference pole 2 facilitates easy assembly and disassembly of the protective cover 7.

[0028] In one embodiment, the locking mechanism 9 includes a locking shell 91, a displacement plate 92, a spring 93, and a locking block 94. The locking shell 91 is hollow inside and open at one end. The displacement plate 92 is slidably disposed inside the locking shell 91. The spring 93 is disposed inside the locking shell 91, with one end connected to the locking shell and the other end connected to the displacement plate 92. The locking block 94 is disposed on the side of the displacement plate 92 away from the spring 93. The interface of the locking block 94 is triangular, and the shape of the locking groove 71 matches the locking block 94. During the locking process of the protective cover 7, the protective cover 7 will press the inclined surface of the locking block 94. Under the action of force, the locking block 94 moves into the locking shell 91 and is stored therein. At this time, the spring 93 is compressed. When the locking groove 71 on the protective cover 7 is aligned with the locking block 94, the spring 93 rebounds under its own elastic force, pushing the locking block 94 into the corresponding locking groove 71 on the protective cover 7. In this way, the protective cover 7 is locked and installed on the reference pole 2. In addition, by cooperating with the displacement plate 92 inside the snap-fit ​​housing 91, the snap-fit ​​block 94 is ensured to move in the vertical direction, so that the snap-fit ​​block 94 can be inserted into the corresponding snap-fit ​​slot 71.

[0029] The following is a brief description of the use of this portable bridge bearing shear angle detection device:

[0030] When installing the spirit level 6, insert the spirit level 6 plug 61 into the slot 24 of the reference pole 2. By turning the knob 84, the lead screw 83 is rotated. The rotating lead screw 83, through the threaded transmission with the nut seat 82 and the cooperation of the guide block 85 with the slide groove 23, causes the nut seat 82 to move vertically, thereby driving the limiting rod 81 to move vertically. When one end of the limiting rod 81 is inserted into the plug hole 22 and the limiting hole on the plug 61 in sequence, the spirit level 6 is fixed on the reference pole 2. When disassembling the level 6, the screw 83 is rotated by turning the knob 84. The rotating screw 83 is driven by the threaded transmission with the nut seat 82 and the guide block 85 cooperates with the slide groove 23, causing the nut seat 82 to move vertically, thereby driving the limit rod 81 to move vertically. When one end of the limit rod 81 moves out of the limit hole of the insert block 61, the fixation of the level 6 can be released, and then the level 6 can be removed from the reference pole 2.

[0031] When the bubble level 6 is not needed, the protective cover 7 can be inserted between the two locking mechanisms 9, thus fitting the protective cover 7 onto the bubble level 6. During insertion, the protective cover 7 presses against the inclined surface of the locking block 94, causing the locking block 94 to move inward and retract into the locking housing 91 under pressure, at which point the spring 93 is compressed. When the slot 71 on the protective cover 7 aligns with the locking block 94, the spring 93 rebounds under its own elastic force, pushing the locking block 94 into the corresponding slot 71 on the protective cover 7, thus securing the protective cover 7 onto the reference pole 2. When removing the protective cover 7, pulling it outward will also press against the inclined surface of the locking block 94, causing the locking block 94 to move inward and retract into the locking housing 91, at which point the spring 93 is compressed, allowing the protective cover 7 to be easily pulled out.

[0032] In use, place the reference pole 2 and reference shaft 1 close to the support. Support the lower end of the reference pole 2 on the pier below the rubber support. After adjusting the reference pole 2 to be perpendicular to the horizontal plane, adjust the height of the reference shaft 1 according to the location on the base to be measured. Then, rotate the pointer 5 until it is parallel to the deformed edge of the rubber support. After verifying the verticality of the reference pole 2, read the angle value on the protractor 3 using the pointer 5; this gives the shear deformation value of the rubber support.

[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Therefore, any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A portable bridge bearing shear angle detection device, comprising a reference shaft and a reference upright, wherein a protractor is fixedly connected to one side of the reference shaft, and a plurality of connecting rods are connected to the reference upright on the other side of the reference shaft, the connecting rods being rotatably connected to the reference shaft and the reference upright, and a pointer is rotatably connected to the lower end of the reference shaft, the upper end of which is in close contact with one side of the protractor, characterized in that, It also includes a spirit level, a protective cover, and a fixing component. The fixing component is mounted on the reference post and connected to the spirit level, and is used to fix the spirit level on the reference post or release the spirit level. The protective cover is fitted over the outside of the spirit level and is detachably mounted on the reference post.

2. The portable bridge bearing shear angle detection device according to claim 1, characterized in that, The spirit level has an insertion block on one side, and a limiting hole is formed on the insertion block. The reference pole has a receiving cavity inside, and a slot for inserting the insertion block is formed on one side of the reference pole. The slot sidewall has an insertion hole at the position corresponding to the limiting hole. The insertion hole is connected to the receiving cavity. The fixing assembly includes a limiting rod and a driving mechanism. The driving mechanism is set in the receiving cavity and connected to the insertion rod, and is used to drive the insertion rod to move in the vertical direction, so that the insertion rod is inserted into the insertion hole and the limiting hole.

3. The portable bridge bearing shear angle detection device according to claim 2, characterized in that, The drive mechanism includes a nut seat, a lead screw, and a knob. The lead screw is rotatably disposed in the receiving cavity. The top end of the lead screw passes through the top of the reference upright and is connected to the knob. The nut seat is threadedly connected to the lead screw and is also connected to the insert rod.

4. The portable bridge bearing shear angle detection device according to claim 3, characterized in that, A guide block is provided on one side of the nut seat, and a sliding groove is provided on the side wall of the receiving cavity. The guide block is slidably disposed in the sliding groove.

5. The portable bridge bearing shear angle detection device according to claim 1, characterized in that, The protective cover is provided with slots at the top and bottom, and the reference pole is provided with a snap-fit ​​mechanism that cooperates with the slots. The protective cover is detachably mounted on the reference pole by snapping it with the slots and the snap-fit ​​mechanism.

6. The portable bridge bearing shear angle detection device according to claim 5, characterized in that, The locking mechanism includes a locking shell, a displacement plate, a spring, and a locking block. The locking shell is hollow inside and open at one end. The displacement plate is slidably disposed inside the locking shell. The spring is disposed inside the locking shell, with one end connected to the locking shell and the other end connected to the displacement plate. The locking block is disposed on the side of the displacement plate away from the spring. The interface of the locking block is triangular, and the shape of the locking groove matches the locking block.

Images