CN218470387U - Static load test device suitable for large-span precast beam - Google Patents
Static load test device suitable for large-span precast beam Download PDFInfo
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- CN218470387U CN218470387U CN202222176272.XU CN202222176272U CN218470387U CN 218470387 U CN218470387 U CN 218470387U CN 202222176272 U CN202222176272 U CN 202222176272U CN 218470387 U CN218470387 U CN 218470387U
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- precast beam
- supporting
- test device
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- static load
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Abstract
The utility model discloses a static test device suitable for large-span precast beam, fix subaerial supporting seat and a plurality of support frames of arranging between two supporting seats along longitudinal separation including two, the top of supporting seat is equipped with and is used for supporting precast beam and rotatable brace table, the bottom of support frame is fixed subaerial, each the top of support frame all is equipped with the mechanism that pushes down that is used for pushing down precast beam. This static load test device suitable for large-span precast beam simple structure, convenient operation, detection efficiency height and with low costs.
Description
Technical Field
The utility model relates to a large-span precast beam check out test set technical field especially relates to a static load test device suitable for large-span precast beam.
Background
In the water conservancy, municipal works field, in various large-span precast beam installation, need to carry out the inspection to precast beam construction quality, appearance quality, geometric dimensions and concrete strength, defect and crack etc. judge whether precast beam overall quality satisfies standard and design requirement. Then, whether various performance indexes of the large-span precast beam, such as bearing capacity, crack resistance, rigidity, deformation and the like, meet design requirements or not is decided. Therefore, the best method is to carry out static load test on the large-span precast beam before the large-span precast beam is installed, and check the working performance of the large-span precast beam under the action of the design load in advance to ensure the working safety. However, at present, no static load test device specially suitable for large-span precast beams exists, and the existing test mode is complex in operation, low in detection efficiency and high in cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple structure, convenient operation, detection efficiency height and with low costs be applicable to the quiet load test device of large-span precast beam.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a static test device suitable for large-span precast beam, includes that two fix subaerial supporting seat and a plurality of support frames of arranging between two supporting seats along longitudinal separation, the top of supporting seat is equipped with and is used for supporting precast beam and rotatable brace table, the bottom of support frame is fixed subaerial, each the top of support frame all is equipped with the mechanism that pushes down that is used for pushing down precast beam.
As a further improvement of the above technical solution:
the top of supporting seat is fixed and is equipped with the seatpad, the seatpad is connected with a supporting bench sphere.
The top surface of the seat cushion is provided with a concave spherical surface which is concave downwards, the bottom of the supporting table is provided with a convex spherical surface which is convex downwards, and the convex spherical surface is matched with the concave spherical surface.
The down-pressing mechanism comprises a jack and a force-equalizing plate, the jack is fixed on the supporting frame, the telescopic end of the jack faces downwards, and the force-equalizing plate is arranged at the lower end of the jack.
The uniform force plate is a steel plate.
The support frame includes two vaulting poles of horizontal interval arrangement, two the bottom end of vaulting pole is fixed subaerial, and top fixedly connected with reaction rod, push down the mechanism and install on reaction rod.
The stay bar is anchored to the ground.
And two sides of the connecting line of the two supporting seats are respectively provided with a side supporting rod for temporarily supporting the side part of the precast beam when the precast beam is placed.
The bottom end of the side branch rod is hinged to the ground, and the top end of the side branch rod is provided with a side supporting surface matched with the side face of the precast beam.
All fixedly being equipped with the slip table on the subaerial position that corresponds with each side branch, but the sideslip seat that the lateral shifting was adjusted is equipped with to the slip table cunning, the collateral branch pole bottom articulates on the sideslip seat, be equipped with the retaining member between sideslip seat and the slip table.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a static load test device test process suitable for large-span precast beam: respectively placing two ends of the large-span precast beam on the two support tables, and horizontally arranging the precast beam along the longitudinal direction; and then, synchronously starting the pressing mechanisms, and applying downward static load to the top surface of the precast beam to realize the static load test of the precast beam. The static load test device is suitable for the static load test of the large-span precast beam, and has the advantages of simple structure, convenience in operation, high detection efficiency and low cost.
Drawings
Fig. 1 is the utility model is suitable for a static load test device of large-span precast beam looks sideways at the schematic diagram.
Fig. 2 is an enlarged view at a in fig. 1.
Fig. 3 is the utility model discloses a static test device's of large-span precast beam owner looks structure schematic diagram.
Fig. 4 is the utility model discloses a static load test device's overlook schematic structure diagram suitable for large-span precast beam.
Fig. 5 is a schematic side view of another embodiment of the static load test device for the large-span precast beam of the present invention.
The reference numerals in the figures denote:
1. a supporting seat; 11. a seat cushion; 111. a concave spherical surface; 2. a support frame; 21. a stay bar; 22. a reaction rod; 3. prefabricating a beam; 4. a support table; 41. a convex spherical surface; 5. a ground surface; 6. a pressing mechanism; 61. a jack; 62. a force equalizing plate; 7. a side strut; 71. a side bracing surface; 8. a sliding table; 81. a traversing seat; 82. an adjustment hole; 9. and a locking member.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
As used in this disclosure and in the claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are inclusive in the plural unless the context clearly dictates otherwise. The use of "first," "second," and the like in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Likewise, the word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The first embodiment is as follows:
fig. 1 to 4 show the utility model discloses an embodiment of the static test device suitable for large-span precast beam, this static test device suitable for large-span precast beam include that two are fixed supporting seat 1 on ground 5 and a plurality of support frames 2 of arranging between two supporting seats 1 along longitudinal separation, the top of supporting seat 1 is equipped with and is used for supporting precast beam 3 and rotatable brace table 4, the bottom of support frame 2 is fixed on ground 5, the top of each support frame 2 all is equipped with the mechanism 6 that pushes down that is used for pushing down precast beam 3.
The test process comprises the following steps: placing two ends of a large-span precast beam 3 on the two support tables 4 respectively, and enabling the precast beam 3 to be horizontally arranged along the longitudinal direction; then, the pressing mechanisms 6 are synchronously started to apply downward static load to the top surface of the precast beam 3, so that the static load test of the precast beam 3 is realized. The static load test device is suitable for the static load test of the large-span precast beam 3, and has the advantages of simple structure, convenience in operation, high detection efficiency and low cost.
In this embodiment, as shown in fig. 2, a seat cushion 11 is fixedly disposed on the top of the supporting base 1, and the seat cushion 11 is spherically connected to the supporting base 4. Thus, the supporting platform 4 can rotate relative to the spherical surface of the supporting seat 1, and the precast beam 3 is convenient to place on the supporting platform 4. Specifically, the top surface of the seat cushion 11 is provided with a concave spherical surface 111 that is concave downward, and the bottom of the support base 4 is provided with a convex spherical surface 41 that is convex downward, the convex spherical surface 41 being engaged with the concave spherical surface 111. The supporting seat 1 is poured by concrete, and the seat cushion 11 is installed on the supporting seat 1 through anchor bolts.
In this embodiment, as shown in fig. 1, the pressing mechanism 6 includes a jack 61 and a force-equalizing plate 62, the jack 61 is fixed on the support frame 2, the telescopic end of the jack 61 faces downward, and the force-equalizing plate 62 is provided at the lower end of the jack 61. Specifically, the top surfaces of the jacks 61 are fixed to the bottom surface of the support frame 2, and the jacks 61 are arranged at intervals in the longitudinal direction. The jack 61 is tightly propped against the precast beam 3 through the uniform force plate 62 to ensure that the stress of the precast beam 3 is uniformly distributed in the static load process. The force equalizing plate 62 is a steel plate.
In this embodiment, as shown in fig. 1, the supporting frame 2 includes two supporting rods 21 arranged transversely at intervals, the bottom ends of the two supporting rods 21 are fixed on the ground 5, the top ends are fixedly connected with a reaction rod 22, and the pressing mechanism 6 is installed on the reaction rod 22. Specifically, the jack 61 of the hold-down mechanism 6 is fixedly mounted on the reaction rod 22. The stay bar 21 can be divided into an upper section and a lower section, the upper section of the stay bar 21 is removed before the precast beam 3 is placed on the support table 4, the placing operation of the precast beam 3 is prevented from being blocked, and the upper section of the stay bar 21 is installed after the precast beam 3 is placed. The reaction rod 22 and the support rod 21 are fixedly connected through bolts, so that the assembly and disassembly are convenient.
In this embodiment, the stay bar 21 is anchored on the ground 5 to form a detachable connection with the ground 5, so as to facilitate the placement and removal of the precast beam 3.
In this embodiment, two sides of the connecting line of the two supporting seats 1 are respectively provided with a side branch rod 7 for temporarily supporting the side of the precast beam 3 when the precast beam 3 is placed. During the experiment with precast beam 3 hoist to two supporting seats 1 on brace table 4, precast beam 3's both sides adopt side branch pole 7 to carry out the side branch in order to prevent to empty, treat that this testing arrangement is whole to arrange the completion after, take off side branch pole 7 again, can begin the experiment.
Each pressing mechanism 6 is connected with a synchronous starting mechanism.
The materials that this device adopted are the combination of some common materials in the construction, and the part can be whole processing preparation outside the field, then drags to install in the field, and the quantity of support frame 2 can be increased and decreased according to precast beam 3's length, and application scope is wide.
Example two:
fig. 5 shows a static load test device suitable for the large-span precast beam; in another embodiment, the structure of this embodiment is substantially the same as that of the first embodiment, except that: the bottom end of the side supporting rod 7 is hinged on the ground 5, and the top end is provided with a side supporting surface 71 matched with the side surface of the precast beam 3. The side supporting rod 7 can realize that the side supporting surface 71 is tightly pressed on the side surface of the precast beam 3 to form side support for the precast beam 3 through the rotating motion around the hinge shaft, and the side supporting surface 71 is separated from the side surface of the precast beam 3 to remove the side support for the precast beam 3. Simple structure and convenient operation.
In this embodiment, all fixedly on the position that corresponds with each collateral branch pole 7 on ground 5 is equipped with slip table 8, but the sideslip seat 81 that the lateral shifting was adjusted is slided to the slip table 8 and is equipped with, and collateral branch pole 7 bottom articulates on sideslip seat 81, is equipped with retaining member 9 between sideslip seat 81 and the slip table 8. The side supporting rod 7 can be adjusted along with the transverse movement of the transverse moving seat 81 so as to realize the adaptive abutting of the side supporting surface 71 and the side surface of the precast beam 3, and the side supporting effect and the adjustability of the side supporting rod 7 are improved. When the side supporting surface 71 is tightly matched with the side surface of the precast beam 3, the transverse moving seat 81 and the sliding table 8 are locked through the locking piece 9. Specifically, the sliding table 8 is provided with a transversely-arranged adjusting hole 82, the locking member 9 is a locking bolt, and the locking bolt penetrates through the transverse moving seat 81 and the adjusting hole 82.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a static test device suitable for large-span precast beam which characterized in that: the supporting device comprises two supporting seats (1) fixed on the ground (5) at intervals along the longitudinal direction and a plurality of supporting frames (2) arranged between the two supporting seats (1) at intervals along the longitudinal direction, wherein the top of each supporting seat (1) is provided with a supporting platform (4) which is used for supporting a precast beam (3) and can rotate, the bottom of each supporting frame (2) is fixed on the ground (5), and the top of each supporting frame (2) is provided with a pressing mechanism (6) which is used for pressing the precast beam (3) downwards.
2. The static load test device suitable for the large-span precast beam according to claim 1, wherein: the top of supporting seat (1) is fixed and is equipped with seatpad (11), seatpad (11) and brace table (4) sphere are connected.
3. The static load test device suitable for the large-span precast beam according to claim 2, wherein: the top surface of seatpad (11) is equipped with undercut concave sphere (111), the bottom of brace table (4) is equipped with convex sphere (41) of downward bulge, convex sphere (41) and concave sphere (111) cooperation.
4. The static load test device suitable for the large-span precast beam according to claim 1, wherein: the downward pressing mechanism (6) comprises a jack (61) and a force equalizing plate (62), the jack (61) is fixed on the support frame (2), the telescopic end of the jack (61) faces downward, and the force equalizing plate (62) is arranged at the lower end of the jack (61).
5. The static load test device suitable for the large-span precast beam of claim 4 is characterized in that: the uniform force plate (62) is a steel plate.
6. The static load test device suitable for the large-span precast beam according to any one of claims 1 to 5, wherein: the supporting frame (2) comprises two supporting rods (21) which are transversely arranged at intervals, the bottom ends of the two supporting rods (21) are fixed on the ground (5), the top ends of the two supporting rods (21) are fixedly connected with a reaction rod (22), and the pressing mechanism (6) is installed on the reaction rod (22).
7. The static load test device suitable for the large-span precast beam of claim 6 is characterized in that: the stay bar (21) is anchored to the ground (5).
8. The static load test device suitable for the large-span precast beam according to any one of claims 1 to 5, wherein: two sides of the connecting line of the two supporting seats (1) are respectively provided with a side branch rod (7) which is used for temporarily supporting the side part of the precast beam (3) when the precast beam (3) is placed.
9. The static load test device suitable for the large-span precast beam according to claim 8, wherein: the bottom end of the side supporting rod (7) is hinged to the ground (5), and the top end of the side supporting rod is provided with a side supporting surface (71) matched with the side surface of the precast beam (3).
10. The static load test device suitable for the large-span precast beam according to claim 9, wherein: all fixed slip table (8) that are equipped with on ground (5) and the position that corresponds with each collateral branch pole (7), but slip table (8) are slided and are equipped with sideslip seat (81) that lateral shifting adjusted, side branch pole (7) bottom articulates on sideslip seat (81), be equipped with retaining member (9) between sideslip seat (81) and slip table (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222176272.XU CN218470387U (en) | 2022-08-17 | 2022-08-17 | Static load test device suitable for large-span precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222176272.XU CN218470387U (en) | 2022-08-17 | 2022-08-17 | Static load test device suitable for large-span precast beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218470387U true CN218470387U (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222176272.XU Active CN218470387U (en) | 2022-08-17 | 2022-08-17 | Static load test device suitable for large-span precast beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218470387U (en) |
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2022
- 2022-08-17 CN CN202222176272.XU patent/CN218470387U/en active Active
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