CN216810034U - Static load test counter weight mounting device - Google Patents
Static load test counter weight mounting device Download PDFInfo
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- CN216810034U CN216810034U CN202123299228.XU CN202123299228U CN216810034U CN 216810034 U CN216810034 U CN 216810034U CN 202123299228 U CN202123299228 U CN 202123299228U CN 216810034 U CN216810034 U CN 216810034U
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Abstract
The utility model provides a counterweight mounting device for a static load test, which comprises: the top parts of the two cross beams are provided with supporting sides for supporting the balancing weights, the bottom parts of the cross beams are provided with compression plates along the transverse direction, and the compression plates comprise compression surfaces; the test device comprises two bases, a test platform and a test platform, wherein the bases are concrete balancing weights and are arranged side by side, and a test space is formed between the two bases; the connecting piece, the connecting piece includes upper covering plate and connecting bolt, and upper covering plate includes the compressive plane and connects the face, and the compressive plane laminating is connected in the face that receives, connects the face and is connected with the top surface of base, and connecting bolt passes and is connected the face and be connected with the base to make upper covering plate extrusion receive the board. The base not only can play the effect that the balancing weight was supported in the stability, moreover through the connecting piece, with self weight loading to the crossbeam on as the loading counter-force, reduce the quantity of crossbeam top installation balancing weight, reduce installation and cost of transportation, improve test efficiency. Moreover, the connecting piece has simple structure and is convenient to install and disassemble.
Description
Technical Field
The application belongs to the technical field of static load test, and particularly relates to a counterweight mounting device for the static load test.
Background
In some prior art, the static load detection test device comprises a steel structure support arranged on the ground at intervals, a plurality of I-shaped steels arranged on the steel structure support, and a balancing weight arranged above the I-shaped steels, wherein during the test, a platform formed by a plurality of I-shaped steels on the upper part of the platform is jacked by a hydraulic jack, and a concrete precast block on the platform is jacked, and the settlement amount generated when the platform is stressed is measured by a dial indicator. The steel structure support can only play a supporting role, and the strength requirement is high because a large load needs to be borne, so that the test device has high cost. If the counterweight block is used as the support of the bottom, the transportation and installation cost is large.
According to the patent CN110485486A, a pile foundation static load test detection structure and a detection method thereof are provided, wherein the pier is arranged at the bottom of a platform and on two sides of a pile foundation, and a bearing platform which is arranged at the bottom of the pier and is wider than the pier is arranged between the bearing platform and the platform, a connecting device which connects the bearing platform, the pier and the platform together is arranged between the bearing platform and the platform, namely the connecting device comprises a connecting rod and a clamping sleeve, one end of the connecting rod is connected with the bearing platform, the other end of the connecting rod is connected with the clamping sleeve, the clamping sleeve is sleeved on an I-shaped steel, so that the weight of the pier is loaded on the platform, the structure is complex, the bearing platform with the width larger than that of the pier needs to be manufactured, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model provides a counter weight mounting device for a static load test, wherein a connecting piece is arranged between a cross beam and a base, the cross beam is fixedly connected with the base, the base can play a role of stably supporting counter weights, and in the test, the self weight is loaded on the cross beam through the connecting piece to be used as a loading counter force, so that the number of the counter weights arranged above the cross beam is reduced, the installation and transportation cost is reduced, and the test efficiency is improved. In addition, the connecting piece is simple in structure, and the counterweight mounting device is convenient to mount and dismount in a follow-up static load test.
In order to solve the above problems, the present invention provides a counterweight mounting device for static load test, comprising: the top parts of the two cross beams are provided with supporting sides for supporting the balancing weights, the bottom parts of the cross beams are provided with compression plates along the transverse direction, and the compression plates comprise compression surfaces; the testing device comprises two bases, a testing platform and a testing platform, wherein the bases are concrete counter weights and are arranged side by side, and a testing space is formed between the two bases; the connecting piece, the connecting piece includes upper covering plate and connecting bolt, and upper covering plate includes the compressive plane and connects the face, and the compressive plane laminating is connected with the top surface of base in the face of receiving, and connecting bolt passes and connects the face and be connected with the base to make upper covering plate extrusion receive the board.
Furthermore, the base further comprises a bottom plate, the bottom plate is arranged at the top of the base, the bottom of the cross beam is connected with the bottom plate, and the connecting bolts sequentially penetrate through the upper covering plate and the bottom plate and are connected with the base.
Further, the bottom plate is arranged in the base and is integrally formed with the base.
Furthermore, the crossbeam symmetry is provided with two and is pressed the board, and the crossbeam both sides respectively are provided with the connecting piece and are connected fixedly with the pressure face.
Furthermore, the connecting piece includes two connecting bolt, and four connecting bolt of crossbeam both sides are the setting of arranging of square.
Furthermore, the cross beam is made of ordinary I-shaped steel, and the extrusion surface is an inclined plane.
Furthermore, the connecting piece still includes the bolt sleeve, and the bolt sleeve is prefabricated in the base, and connecting bolt links to each other with the bolt sleeve.
Furthermore, a longitudinal fixing rib and a transverse fixing rib which are connected are arranged in the base, and the transverse fixing rib is at least provided with an upper layer and a lower layer.
Furthermore, the connecting piece still includes the bottom plate, and the bottom plate is prefabricated in the base, and the horizontal fixed muscle in upper strata links to each other with the bottom of bottom plate.
Furthermore, the connecting piece also comprises a bolt sleeve, the bolt sleeve is prefabricated in the base and is connected with the connecting bolt, and the bottom of the bolt sleeve is connected with the top of the longitudinal fixing rib.
The utility model has the beneficial effects that: be provided with the connecting piece between crossbeam and the base, with crossbeam and base fixed connection, the base not only can play the effect that the balancing weight was supported in the stability, when experimental moreover, through the connecting piece, with self weight loading to be used as the loading counter-force on the crossbeam, reduce the quantity of crossbeam top installation balancing weight, reduce installation and cost of transportation, improve test efficiency. In addition, the connecting piece is simple in structure, installation and disassembly of the counterweight mounting device for the follow-up static load test are facilitated, installation and disassembly time is saved, and convenience in use of the device is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic perspective view of a part of the present invention.
FIG. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in the embodiment shown in fig. 2.
10, a cross beam; 101. a support side; 102. a pressure receiving plate; 1021. a pressed surface; 20. a base; 201. a test space; 202. a base plate; 203. longitudinally fixing the ribs; 204. transversely fixing the ribs; 30. a connecting member; 301. covering a plate; 3011. extruding surface; 3012. a connecting surface; 302. a connecting bolt; 303. bolt sleeve.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the present invention, as shown in fig. 1 to 3, the present invention provides a static load test counterweight mounting device, comprising: the device comprises at least two cross beams 10, wherein supporting sides 101 for supporting balancing weights are formed at the tops of the two cross beams 10, a pressure receiving plate 102 is arranged at the bottom of each cross beam 10 along the transverse direction, and each pressure receiving plate 102 comprises a pressure receiving surface 1021; the testing device comprises two bases 20, wherein the bases 20 are concrete balancing weights, the two bases 20 are arranged side by side, and a testing space 201 is formed between the two bases 20; the connecting piece 30, the connecting piece 30 includes an upper shroud plate 301 and a connecting bolt 302, the upper shroud plate 301 includes an extrusion surface 3011 and a connection surface 3012, the extrusion surface 3011 is attached to the compression surface 1021, the connection surface 3012 is connected with the top surface of the base 20, and the connecting bolt 302 passes through the connection surface 3012 and is connected with the base 20, so that the upper shroud plate 301 compresses the compression plate 102.
According to the utility model, the original steel frame base 20 is replaced by the concrete balancing weight, the base 20 not only can play a role in stably supporting the cross beam 10 and the balancing weight above the cross beam 10, but also can be connected with the base 20 and the cross beam 10 through the connecting piece 30 during a test, the base 20 can load the self weight onto the cross beam 10 to be used as a loading counter force, the number of the balancing weights installed above the cross beam 10 is reduced, the using number and the installation and transportation cost of the balancing weights above the cross beam 10 are reduced, and the test efficiency is improved. As shown in fig. 1, in addition, the upper cladding plate 301 is extruded on the pressure-bearing plate 102 of the cross beam 10, the upper cladding plate 301 is connected with the base 20 through the connecting bolt 302, the upper cladding plate 301 and the base 20 clamp and fix the cross beam 10 together, so that the self weight of the base 20 can be loaded on the cross beam 10, the connecting piece 30 is simple in structure, the installation and the disassembly of the counterweight mounting device for the follow-up static load test are facilitated, the installation and the disassembly time are saved, and the use convenience of the device is improved.
The testing space between the two bases is provided with a jack and a testing device for detecting the sedimentation change, such as a dial indicator, and the top of the jack is connected with the cross beam. In addition, in this embodiment, the pressure receiving surface or the pressing surface is not limited to a planar form, and may be two curved surfaces that are connected in a matching manner, or may be a combination of a plurality of planar surfaces or curved surfaces in which the pressure receiving surface or the pressing surface is serrated or stepped, and the entire pressure receiving surface or the pressing surface is in a pressure receiving state or a pressure applying state, that is, the pressure receiving surface or the pressing surface in the present invention, and is not limited to an embodiment.
It should be further noted that, as shown in fig. 2, the base 20 further includes a bottom plate 202, the bottom plate 202 is disposed on the top of the base 20, the bottom of the cross beam 10 is connected to the bottom plate 202, and the connecting bolt 302 sequentially passes through the upper cover plate 301 and the bottom plate 202 and is connected to the base 20. In order to improve the bearing strength of the base 20, the bottom plate 202 is arranged at the top of the base 20, the bottom plate 202 is a steel flat plate, the cross beam 10 is arranged on the bottom plate 202, the upper covering plate 301 is pressed on the pressed plate 102 of the cross beam 10, the connecting surface 3012 of the upper covering plate 301 is attached to the top surface of the bottom plate 202, the connecting bolt 302 sequentially penetrates through the upper covering plate 301 from top to bottom, the bottom plate 202 is connected with the base 20, the damage of the base 20 caused by abrasion or extrusion between the cross beam 10 and the base 20 is reduced, the horizontal state of the connecting part of the base 20 and the cross beam 10 cannot be guaranteed, and the influence on the stability of a balancing weight above the cross beam 10 is avoided.
More specifically, the bottom plate 202 is disposed at a central position of the top surface of the base 20, so that the stress on each portion of the base 20 is uniform, and the service life of the base 20 is prolonged.
In a preferred embodiment, as shown in FIG. 2, the base plate 202 is disposed within the base 20 and is integrally formed with the base 20. Arrange bottom plate 202 in concrete balancing weight top when precast concrete balancing weight for bottom plate 202 top surface flushes with the concrete top surface, the transportation of the base 20 of being convenient for like this, the concrete balancing weight not only can regard as base 20 in addition, can also place it as the balancing weight use in crossbeam 10 top, in the in-service use process, can need not distinguish or make the concrete balancing weight alone, all set the balancing weight and base 20 to the type of this embodiment, in order to improve experimental efficiency of software testing.
Of course, can be provided with the spread groove on the base, arrange the bottom plate in the spread groove, can dismantle the connection between bottom plate and the base 20, select two balancing weights wantonly as the base, install the bottom plate in the spread groove, cooperate crossbeam, connecting piece in proper order again to connect, can avoid the balancing weight of crossbeam top to the waste of bottom plate, reduce the cost of balancing weight.
It should be further noted that, as shown in fig. 2, two pressure receiving plates 102 are symmetrically disposed on the cross beam 10, and the connecting pieces 30 are disposed on two sides of the cross beam 10 respectively and connected and fixed with the pressure receiving surfaces 1021. In order to improve the connection strength between the cross beam 10 and the base 20, the compression plates 102 are symmetrically arranged on both sides of the cross beam 10, and similarly, each compression plate 102 is provided with a connecting piece 30 in press fit with the compression plate, so that the two sides of the cross beam 10 are stressed in a balanced manner.
More specifically, as shown in fig. 1, the connecting member 30 includes two connecting bolts 302, and four connecting bolts 302 on two sides of the cross beam 10 are arranged in a square arrangement. The cross beam 10 is mounted on the base 20 in two ways, one is that two ends of the cross beam 10 are respectively connected with two balancing weights, and the balancing weights are arranged on a supporting side 101 above the cross beam 10; secondly, the beam 10 is placed along the length direction of the base 20 and connected with the base 20, and two ends of the balancing weight are placed on the supporting side 101 above the beam 10. The installation direction of the cross member 10 may not be limited to one manner when the connection bolts 302 at both sides of the cross member 10 are arranged in a square arrangement.
It should be further noted that the cross beam 10 is made of a common i-steel, and the pressing surface 3011 is an inclined plane. The flanges of the common I-shaped steel become thinner from the middle to the outside, correspondingly, the extrusion surface 3011 is an inclined plane, the extrusion surface 3011 is intersected with the contact surface, and the sectional view of the connecting piece 30 is a trapezoid structure. Compared with flanges with equal sections of H-shaped I-shaped steel, the height of the flange of the common I-shaped steel is gradually reduced from the middle to the outside, so that the height of the connecting piece 30 is gradually increased from the left to the right, the stress of the connecting piece 30 is more uniform in the use process, the connecting strength of the extruded part and the non-extruded part of the connecting piece 30 is improved, and the possibility of fracture of the connecting piece 30 is reduced.
As a preferred embodiment, as shown in fig. 2, the connecting member 30 further includes a bolt sleeve 303, the bolt sleeve 303 is prefabricated in the base 20, and the connecting bolt 302 is connected to the bolt sleeve 303. In the present invention, the bolt sleeve 303 is disposed under the bottom plate 202, and the bolt sleeve 303 and the base 20 are integrally formed, and prefabricating the bolt sleeve 303 in the base 20 can increase the connection strength between the connecting bolt 302 and the base 20, and facilitate repeated detachment of the connecting member 30 and the beam 10.
More specifically, as shown in fig. 2, a longitudinal fixing rib 203 and a transverse fixing rib 204 are provided in the base 20, and the transverse fixing rib 204 is provided with at least an upper layer and a lower layer. Set up vertical fixed muscle 203 and horizontal fixed muscle 204 and interweave the connection together in base 20, can strengthen base 20's intensity, especially respectively set up horizontal fixed muscle 204 in upper and lower both sides, when base 20 loaded the crossbeam 10 with self weight, horizontal fixed muscle 204 can improve base 20 top concrete's intensity, reduces the cracked possibility of top concrete.
It should be further noted that, as shown in fig. 2 and 3, the connecting member 30 further includes a bottom plate 202, the bottom plate 202 is pre-fabricated in the base 20, and the upper layer of transverse fixing ribs 204 is connected to the bottom of the bottom plate 202. When the connecting member 30 includes the base plate 202, the transverse fixing ribs 204 of the upper layer are previously connected to the bottom of the base plate 202, for example, the two are welded together, and concrete is poured into the mold to form the base 20, so that the connecting strength between the base plate 202 and the base 20 can be improved.
As another implementation manner of the above embodiment, the connecting member 30 further includes a bolt sleeve 303, the bolt sleeve 303 is prefabricated in the base 20 and connected to the connecting bolt 302, and the bottom of the bolt sleeve 303 is connected to the top of the longitudinal fixing rib 203. The bottom of the longitudinal fixing rib 203 and the bottom of the bolt sleeve 303 are connected, so that the bolt sleeve 303 can be conveniently positioned before the base 20 is prefabricated, the bolt sleeve 303 cannot deviate in the pouring process, in addition, after the base 20 is integrally formed, in the using process of the base 20, the connecting strength between the bolt sleeve 303 and the base 20 can also be enhanced through the connection between the longitudinal fixing rib 203 and the bolt, and then sufficient extrusion force can be provided for the connecting piece 30, so that the base 20 and the beam 10 can be better connected together.
The method can be realized by adopting or referring to the prior art in places which are not described in the utility model.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a experimental counter weight carry device of static load which characterized in that includes:
the top parts of the two cross beams are provided with supporting sides for supporting the balancing weight, and the bottom parts of the cross beams are provided with compression plates along the transverse direction, wherein the compression plates comprise compression surfaces;
the testing device comprises two bases, a testing platform and a testing platform, wherein the bases are concrete balancing weights and are arranged side by side, and a testing space is formed between the two bases;
the connecting piece, the connecting piece includes shroud plate and connecting bolt, it includes the extrusion face and connects the face to go up the shroud plate, the extrusion face laminating in the face that receives, connect the face with the top surface of base is connected, connecting bolt passes connect the face with the base is connected, so that it extrudees to go up the shroud plate the pressure receiving plate.
2. The static load test counterweight mounting device of claim 1, wherein said base further comprises a bottom plate disposed on top of said base, said connecting bolt passing through said upper shroud plate and said bottom plate in sequence and being connected to said base.
3. The static load test counterweight mounting device of claim 2 wherein said base plate is integrally formed with said base.
4. The static load test counterweight mounting device as claimed in claim 1, wherein two pressure plates are symmetrically arranged on the cross beam, and connecting pieces are respectively arranged on two sides of the cross beam and are fixedly connected with the pressure surfaces.
5. The static load test counterweight mounting device as recited in claim 4, wherein said connecting member comprises two connecting bolts, and four of said connecting bolts on both sides of said cross member are arranged in a square arrangement.
6. The static load test counterweight mounting device of claim 1 wherein said cross beam is a plain i-steel and said compression surface is an inclined plane.
7. The static load test counterweight mounting device of claim 1 wherein said connector further comprises a bolt sleeve, said bolt sleeve being pre-fabricated in said base, said connecting bolt being connected to said bolt sleeve.
8. The static load test counterweight mounting device as claimed in claim 1, wherein a longitudinal fixing rib and a transverse fixing rib are arranged in the base and connected with each other, and the transverse fixing rib is provided with at least an upper layer and a lower layer.
9. The static load test counterweight mounting device of claim 8 wherein said connector further comprises a base plate, said base plate being pre-fabricated in said base, said upper layer of said transverse retention ribs being connected to the bottom of said base plate.
10. The static load test counterweight mounting device of claim 8 wherein said connector further comprises a bolt sleeve, said bolt sleeve being pre-fabricated in said base and connected to said connecting bolt, said bolt sleeve bottom being connected to said longitudinal tie bar top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123299228.XU CN216810034U (en) | 2021-12-24 | 2021-12-24 | Static load test counter weight mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123299228.XU CN216810034U (en) | 2021-12-24 | 2021-12-24 | Static load test counter weight mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216810034U true CN216810034U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123299228.XU Active CN216810034U (en) | 2021-12-24 | 2021-12-24 | Static load test counter weight mounting device |
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| Country | Link |
|---|---|
| CN (1) | CN216810034U (en) |
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2021
- 2021-12-24 CN CN202123299228.XU patent/CN216810034U/en active Active
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