Three-way pre-tightening steel wire tension beam structure

Abstract

The utility model belongs to the technical field of tension beam structures, and particularly relates to a three-way pre-tightening steel wire tension beam structure. A three-way pre-tightening steel wire tension beam structure comprises a cross beam, a steel wire and a pre-tightening assembly, the pre-tightening assembly is installed on the cross beam, a steel wire groove is formed in the cross beam, and the steel wire is installed in the steel wire groove through the pre-tightening assembly; the utility model provides a three-way pre-tightening steel wire tension beam structure, and aims to solve the problem of balance between the bearing capacity and the self weight of a cross beam in a tension beam structure in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of tension beam structure, concretely relates to a three -way pre -tensioning steel wire tension beam structure. BACKGROUND

[0002] In the field of engineering structure, tension beam structure is an important structure form, it introduces tension member in the beam body, such as steel wire, cable etc., utilizes tension to improve the stress performance of beam, is widely used in building, bridge, mechanical manufacturing and many other industries.

[0003] At present, in all kinds of tension beam structure involving crossbeam structure, the bearing capacity of crossbeam and its weight are difficult to balance, on the one hand, in order to meet the higher bearing demand, the traditional solution is often to increase the material consumption of crossbeam, which will undoubtedly make the weight of crossbeam greatly rise, on the other hand, if simply to reduce the weight of crossbeam and reduce the material use, it will inevitably lead to the decrease of the bearing strength of crossbeam, cannot meet the bearing requirement in actual processing process.

[0004] The prior art has not effectively solved the balance problem between the strength of crossbeam and its weight, that is, it is difficult to control the weight while improving the bearing strength of crossbeam, or it is difficult to ensure that the crossbeam still has sufficient strength while reducing the weight, which limits the further development and application of crossbeam structure in many fields with strict performance requirements.

[0005] In summary, in the existing tension beam structure, the balance between the bearing capacity of crossbeam and its weight still has problems, and at present, a tension beam structure considering bearing strength and its weight is urgently needed. UTILITY MODEL CONTENTS

[0006] In order to overcome the shortcomings of the prior art, the utility model provides a three -way pre -tensioning steel wire tension beam structure to solve the balance problem between the bearing capacity of crossbeam and its weight in the prior art tension beam structure.

[0007] One scheme of the utility model provides a three -way pre -tensioning steel wire tension beam structure, including crossbeam, steel wire and pre -tensioning assembly, the pre -tensioning assembly is installed on the crossbeam, the crossbeam is provided with steel wire slot, the steel wire is installed in the steel wire slot through the pre -tensioning assembly;

[0008] The pre -tensioning assembly is used for fixing and stretching the steel wire, and the steel wire is used to provide pre -stress for the crossbeam;

[0009] It should be noted that the steel wire is in a tensile state under the tension of the pre-tightening assembly, and since the steel wire is located in the steel wire groove of the cross beam, the steel wire can continuously provide pre-stress to the cross beam to offset the force in the direction of the two ends of the cross beam and the gravity of the cross beam itself, thereby improving the load-bearing strength of the cross beam, and the design of the steel wire groove itself reduces the weight of the cross beam;

[0010] In the scheme, by arranging the steel wire in the tensile state in the steel wire groove on the cross beam, on the one hand, the force in the direction of the two ends of the cross beam and the gravity of the cross beam itself can be effectively offset, and the load-bearing strength of the cross beam is improved, and on the other hand, through the design of the steel wire groove, the weight of the cross beam itself can be effectively reduced, so as to balance the load-bearing strength and the weight of the cross beam;

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1、 the utility model discloses a steel wire groove is set up in the cross beam, and the steel wire in the tensile state is arranged in the steel wire groove, compared with the traditional cross beam structure, when the cross beam bears the same load, the load-bearing strength of the cross beam is higher, and the stability is higher, can adapt to more complex and harsh stress working condition.

[0013] 2、 the utility model discloses a steel wire groove, can reduce the weight of the cross beam itself, and the steel wire and the pre-tightening assembly arranged in the steel wire groove are further enhanced the load capacity of the cross beam, realize the good balance of the weight and the load-bearing strength of the cross beam.

[0014] 3、 the utility model discloses simple structure, and the flexibility is higher, has stronger universality, can be adjusted the arrangement mode of steel wire according to different engineering demand and stress characteristics, to adjust the tensile state of steel wire, and then adjust the pre-stress of steel wire to the cross beam, in addition, the utility model discloses still can be combined and extension with other structures or parts, to satisfy more complex processing demand.

[0015] In one of the schemes, the pre-tightening assembly includes a fixing screw, the fixing screw penetrates the cross beam and is installed on the cross beam, and the ends of the steel wire are fixed in the steel wire groove through the fixing screw.

[0016] In the scheme, the ends of the steel wire are fixed in the steel wire groove through the fixing screw, so that the steel wire is in a tensile state to provide upward pre-stress to the cross beam, thereby improving the load-bearing strength of the cross beam.

[0017] In one of the schemes, the fixing screw is provided with at least two, and the two fixing screws respectively fix the two ends of the steel wire on the cross beam.

[0018] In the scheme, the two ends of the steel wire are fixed on the beam by at least two fixing screws respectively, which can ensure the stability of the steel wire when the beam is bearing, so that the steel wire can stably provide prestress to the beam to enhance the stability of the beam.

[0019] In one of the schemes, the prestress assembly further comprises a jacking screw, which is screwed into the steel wire groove and jacks up the steel wire.

[0020] In the scheme, the steel wire is jacked up by the jacking screw screwed into the steel wire groove, which can jack up the steel wire from the steel wire groove on the basis of fixing the two ends of the steel wire on the beam by the fixing screws, so as to further stretch the steel wire and provide prestress to the beam in the direction of the two ends of the beam, while further enhancing the prestress intensity of the steel wire to the beam to enhance the bearing strength of the beam.

[0021] In one of the schemes, the jacking screw is provided with at least two, and the two jacking screws are located on the inner sides of the two fixing screws respectively.

[0022] In the scheme, the steel wire located on the inner sides of the two fixing screws is jacked up by at least two jacking screws respectively, which can freely select the jacking position of the jacking screw according to the user's demand, so as to control the position of the prestress provided by the steel wire to the beam and enhance the prestress intensity of the steel wire to the beam to enhance the bearing strength of the beam.

[0023] In one of the schemes, the prestress assembly further comprises a support block, which is installed in the beam and jacks the steel wire downward.

[0024] In the scheme, the support block is installed in the beam and jacks the steel wire downward, which can increase the tension degree of the steel wire, and further enhance the prestress intensity of the steel wire to the beam to enhance the bearing strength of the beam.

[0025] In one of the schemes, the support block is located in the middle of the beam.

[0026] In the scheme, the support block is arranged in the middle of the beam, which can make the steel wire be jacked out downward in the middle of the beam, and further make the aforementioned two jacking screws be installed on both sides of the position where the steel wire is jacked out by the support block, so that the prestress balance of the whole beam is ensured, and the stability of the beam during processing is ensured.

[0027] In one of the schemes, the fixing screw comprises a through screw rod and a fixing nut, the fixing screw penetrates the beam through the through screw rod, and the fixing screw fixes the steel wire on the beam through the fixing nut.

[0028] In the scheme, the steel wire is fixed on the cross beam by penetrating the cross beam through the screw rod and by the fixed nut, the stable connection of the steel wire and the cross beam can be ensured, when the cross beam bears various external forces, the steel wire will not easily displace or loosen, the stability of the whole tension beam structure is ensured, and the effective play of the steel wire prestress in the tension beam structure work is ensured.

[0029] In one of the schemes, the jacking screw includes a jacking screw rod and a jacking nut, the jacking screw is screwed into the steel wire groove through the jacking screw rod and jacks up the steel wire, and the jacking nut is used to screw the jacking screw into the cross beam.

[0030] In the scheme, the jacking screw rod is screwed into the steel wire groove and jacks up the steel wire, the tensioning degree of the steel wire can be accurately adjusted, the operator can adjust the prestress of the steel wire provided to the cross beam by rotating the jacking screw according to different engineering requirements and the load borne by the cross beam, so as to meet the use requirements under various complex working conditions.

[0031] In one of the schemes, the steel wire groove is arranged on the side of the cross beam, the bottom of the cross beam is provided with mounting screw holes, the mounting screw holes are at least four, and the mounting screw holes are used to install the pre-tightening assembly.

[0032] It should be noted that in one of the preferred schemes, four mounting screw holes can be arranged for installing two fixed screws and two jacking screws respectively, and the stress of the whole steel wire is balanced, specifically, the two fixed screws are screwed into the mounting screw holes located at the two ends of the steel wire, and then the jacking screw is screwed into the other two mounting screw holes equidistant from the middle of the steel wire, so that the pre-tightening assembly is installed on the cross beam through the cooperation of the fixed screw and the jacking screw.

[0033] In the scheme, the mounting screw holes can cooperate with the fixed screw and the jacking screw in the pre-tightening assembly to fix and stretch the steel wire in the steel wire groove, so as to further enhance the stability of the whole tension beam structure. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from the structures shown in these drawings without creative labor.

[0035] Figure 1 is a cross-sectional view of one embodiment of the three-way pre-tightening steel wire tension beam structure of the present application.

[0036] Wherein, 1, crossbeam; 11, steel wire groove; 2, steel wire; 3, pre-tightening assembly; 31, fixed screw; 311, through screw rod; 312, fixed nut; 32, jacking screw; 321, jacking screw rod; 33, support block. DETAILED DESCRIPTION

[0037] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0038] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0039] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel solutions are included, for example, "A and / or B" includes A solution, or B solution, or A and B solutions. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the utility model.

[0040] Please refer to Figure 1 One of the embodiments of the utility model provides a three-way pre-tightening steel wire tension beam structure, which comprises a crossbeam 1, a steel wire 2 and a pre-tightening assembly 3, the pre-tightening assembly 3 is installed on the crossbeam 1, the crossbeam 1 is provided with a steel wire groove 11, and the steel wire 2 is installed in the steel wire groove 11 through the pre-tightening assembly 3.

[0041] The pre-tightening assembly 3 is used for fixing and stretching the steel wire 2, and the steel wire 2 is used for providing pre-stress for the crossbeam 1.

[0042] It should be noted that the steel wire 2 is in a tensile state under the stretching of the pre-tightening assembly 3, and since the steel wire 2 is located in the steel wire groove 11 of the cross beam 1, the steel wire 2 can continuously provide the cross beam 1 with prestress to offset the force in the direction of the two ends of the cross beam 1 and the gravity of the cross beam 1 itself, thereby improving the load-bearing strength of the cross beam 1, and the design of the steel wire groove 11 itself reduces the weight of the cross beam 1;

[0043] In this embodiment, by arranging the steel wire 2 in a tensile state in the steel wire groove 11 on the cross beam 1, on the one hand, the force in the direction of the two ends of the cross beam 1 and the gravity of the cross beam 1 itself can be effectively offset, and the load-bearing strength of the cross beam 1 is improved, and on the other hand, through the design of the steel wire groove 11, the weight of the cross beam 1 itself can be effectively reduced, so as to balance the load-bearing strength and the weight of the cross beam 1;

[0044] Compared with the prior art, the utility model has the following advantages:

[0045] 1、 the utility model discloses a steel wire groove 11 is arranged on the cross beam 1, and the steel wire 2 in a tensile state is arranged in the steel wire groove 11, compared with the traditional cross beam 1 structure, when the cross beam 1 bears the same load, the load-bearing strength of the cross beam 1 is higher, and the stability is higher, can adapt to more complex and harsh stress working conditions;

[0046] 2、 the utility model discloses a steel wire groove 11, can reduce the weight of the cross beam 1 itself, cooperate the steel wire 2 and the pre-tightening assembly 3 arranged in the steel wire groove 11, further enhance the load capacity of the cross beam 1, realize the good balance of the weight and the load-bearing strength of the cross beam 1;

[0047] 3、 the utility model discloses simple structure, higher flexibility has stronger universality, can be flexibly adjusted the arrangement mode of steel wire 2 according to different engineering demand and stress characteristics, to adjust the tensile state of steel wire 2, and then adjust the prestress of steel wire 2 to cross beam 1, in addition, the utility model discloses still can be combined and expanded with other structures or parts, to satisfy more complex processing demand.

[0048] In one embodiment, the pre-tightening assembly 3 includes a fixing screw 31, the fixing screw 31 penetrates the cross beam 1 and is installed on the cross beam 1, and the ends of the steel wire 2 are fixed in the steel wire groove 11 by the fixing screw 31.

[0049] In this embodiment, the ends of the steel wire 2 are fixed in the steel wire groove 11 by the fixing screw 31, so that the steel wire 2 is in a tensile state to provide upward prestress to the cross beam 1, thereby improving the load-bearing strength of the cross beam 1.

[0050] In one embodiment, the fixing screw 31 is provided with at least two, and the two fixing screws 31 respectively fix the two ends of the steel wire 2 on the cross beam 1.

[0051] In this embodiment, the two ends of the steel wire 2 are fixed on the beam 1 by at least two fixing screws 31 respectively, which can ensure the stability of the steel wire 2 when the beam 1 is bearing, so that the steel wire 2 can stably provide the beam 1 with prestress to enhance the stability of the beam 1.

[0052] In one of the embodiments, the prestress assembly 3 further comprises a jacking screw 32, which is screwed into the steel wire groove 11 and jacks up the steel wire 2.

[0053] In this embodiment, the steel wire 2 is jacked up by the jacking screw 32 screwed into the steel wire groove 11, which can jack up the steel wire 2 from the steel wire groove 11 on the basis of fixing the two ends of the steel wire 2 on the beam 1 by the fixing screws 31, so as to further stretch the steel wire 2 and provide the beam 1 with prestress in the direction of the two ends of the beam 1, while further enhancing the prestress intensity of the steel wire 2 provided for the beam 1 to enhance the bearing strength of the beam 1.

[0054] In one of the embodiments, the jacking screw 32 is provided at least two, and the two jacking screws 32 are respectively located on the inner side of the two fixing screws 31.

[0055] In this embodiment, the steel wire 2 located on the inner side of the two fixing screws 31 is jacked up by at least two jacking screws 32 respectively, which can freely select the jacking position of the jacking screw 32 according to the user's demand, so as to control the position of the prestress provided by the steel wire 2 for the beam 1 and enhance the prestress intensity of the steel wire 2 provided for the beam 1 to enhance the bearing strength of the beam 1.

[0056] In one of the embodiments, the prestress assembly 3 further comprises a support block 33, which is installed in the beam 1 and jacks down the steel wire 2.

[0057] In this embodiment, the support block 33 is installed in the beam 1 and jacks down the steel wire 2, which can increase the tension degree of the steel wire 2, and further enhance the prestress intensity of the steel wire 2 provided for the beam 1 to enhance the bearing strength of the beam 1.

[0058] In one of the embodiments, the support block 33 is located in the middle of the beam 1.

[0059] In this embodiment, the support block 33 is arranged in the middle of the beam 1, which can make the steel wire 2 be jacked down in the middle of the beam 1, and further make the aforementioned two jacking screws 32 be installed on the two sides of the position where the steel wire 2 is jacked down by the support block 33, so as to balance the prestress received by the whole beam 1, and further ensure the stability of the beam 1 during the processing.

[0060] In one embodiment, the fixing screw 31 comprises a through screw rod 311 and a fixing nut 312, the fixing screw 31 is screwed through the beam 1 by the through screw rod 311, and the fixing screw 31 fixes the steel wire 2 on the beam 1 by the fixing nut 312.

[0061] In this embodiment, the stable connection between the steel wire 2 and the beam 1 is ensured by screwing the through screw rod 311 through the beam 1 and firmly fixing the steel wire 2 on the beam 1 by the fixing nut 312, and the steel wire 2 will not easily displace or loosen when the beam 1 bears various external forces, thereby ensuring the stability of the entire tension beam structure and the effective exertion of the prestress of the steel wire 2 during the operation of the tension beam structure.

[0062] In one embodiment, the tightening screw 32 comprises a tightening screw rod 321 and a tightening nut, the tightening screw 32 is screwed into the steel wire groove 11 by the tightening screw rod 321 and lifts the steel wire 2, and the tightening nut is used to screw the tightening screw 32 into the beam 1.

[0063] In this embodiment, the degree of tension of the steel wire 2 can be accurately adjusted by screwing the tightening screw rod 321 into the steel wire groove 11 and lifting the steel wire 2, and the operator can adjust the prestress of the steel wire 2 provided to the beam 1 by rotating the tightening screw rod 321 according to different engineering requirements and the load borne by the beam 1, so as to meet the use requirements under various complex working conditions.

[0064] In one embodiment, the steel wire groove 11 is arranged at the side of the beam 1, the bottom of the beam 1 is provided with mounting screw holes (not shown), and the mounting screw holes are at least four, the mounting screw holes (not shown) are used to install the prestressing assembly 3.

[0065] It should be noted that in one preferred embodiment, four mounting screw holes (not shown) can be arranged to install two fixing screws 31 and two tightening screws 32, respectively, and the stress of the steel wire 2 as a whole is in a balanced state, which can be achieved by screwing the two fixing screws 31 into the mounting screw holes (not shown) located at the two ends of the steel wire 2, and then screwing the tightening screws 32 into the other two mounting screw holes (not shown) equidistant from the middle of the steel wire 2, so as to install the prestressing assembly on the beam 1 by the cooperation of the fixing screws 31 and the tightening screws 32.

[0066] In this embodiment, the mounting screw holes (not shown) can cooperate with the fixing screws 31 and the tightening screws 32 in the prestressing assembly 3 to fix and stretch the steel wire 2 in the steel wire groove 11, so as to further enhance the stability of the entire tension beam structure.

[0067] The specific structure and working principle of one preferred embodiment are described below.

[0068] A three-way pre-tightening steel wire 2 tension beam structure, comprising a cross beam 1 and a steel wire 2, the cross beam 1 is provided with a steel wire groove 11 on the side, the bottom of the cross beam 1 is provided with a plurality of mounting screw holes (not shown) for mounting a fixing screw 31 and a jacking screw 32, the middle of the cross beam 1 is provided with a supporting block 33, the steel wire 2 is located in the steel wire groove 11, and the two ends of the steel wire 2 are fixed in the steel wire groove 11 by the fixing screw 31, the middle of the steel wire 2 is pushed out downward by the supporting block 33, the middle of the steel wire 2 is symmetrically provided with the jacking screw 32 between the two ends, the jacking screw 32 pushes the steel wire 2 out upward, and the steel wire 2 is sequentially connected or abuts with the first fixing screw 31 of the fixed end, the first jacking screw 32 of the steel wire 2 pushed out upward, the supporting block 33 of the steel wire 2 pushed out downward, the second jacking screw 32 of the steel wire 2 pushed out upward and the second fixing screw 31 of the other end from one end to the other end;

[0069] Specifically, the steel wire groove 11 is a convex groove, the fixing screw rod of the fixing screw 31 penetrates the ends of the steel wire 2 and is screwed into the mounting screw hole (not shown) at the bottom of the cross beam 1 to fasten the fixing screw 31, the jacking screw 32 is screwed into the other mounting screw hole (not shown) between the two ends of the steel wire 2 and pushes the steel wire 2 out upward, and the supporting block 33 has already pushed the middle of the steel wire 2 out downward when the steel wire 2 is installed;

[0070] When assembling the structure, the staff first installs the supporting block 33 to the middle of the cross beam 1, then puts the steel wire 2 into the steel wire groove 11, at this time the steel wire 2 is attached to the supporting block 33, then screws the jacking screw 32 into the cross beam 1 from the corresponding mounting screw hole (not shown) to push the steel wire 2 out upward, and finally penetrates the two ends of the steel wire 2 with the fixing screw rod of the fixing screw 31 and screws it into the cross beam 1;

[0071] Because the steel wire 2 is stretched by the cooperation of the fixing screw 31, the jacking screw and the supporting block 33, the steel wire 2 can provide pre-stress for the cross beam 1 to offset the external force received by the cross beam 1, especially the gravity of the cross beam 1 itself and the external force from the direction of the two ends of the cross beam 1.

[0072] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and the drawings or directly / indirectly applied in other related technical fields under the utility model concept of the utility model is included in the patent protection range of the utility model.

Claims

1. A three-way pre-tensioned steel wire tension beam structure, characterized by, The beam, steel wire and pre-tightening assembly are included, the pre-tightening assembly is installed on the beam, the beam is provided with a steel wire groove, and the steel wire is installed in the steel wire groove through the pre-tightening assembly. The pre-tightening assembly is used for fixing and stretching the steel wire, and the steel wire is used for providing pre-stress for the beam.

2. The three-way pre-tensioned steel wire tension beam structure according to claim 1, characterized in that, The pre-tightening assembly includes fixing screws, the fixing screws are installed on the beam through the beam, and the ends of the steel wire are fixed in the steel wire groove through the fixing screws.

3. A three-way pre-tensioned steel wire tension beam structure as claimed in claim 2, characterized in that, The fixing screws are at least two, and the two fixing screws respectively fix the two ends of the steel wire on the beam.

4. A three-way pre-tensioned steel wire tension beam structure as claimed in claim 3, characterized in that, The pre-tightening assembly further includes a jacking screw, the jacking screw is screwed into the steel wire groove, and the steel wire is jacked up.

5. A three-way pre-tensioned steel wire tension beam structure as claimed in claim 4, characterized in that, The jacking screw is at least two, and the two jacking screws are respectively located on the inner side of the two fixing screws.

6. A three-way pre-tensioned steel wire tension beam structure as claimed in claim 2, characterized in that, The pre-tightening assembly further includes a support block, the support block is installed in the beam, and the support block jacks up the steel wire downward.

7. A three-way pre-tensioned steel wire tension beam structure as claimed in claim 6, characterized in that, The support block is located in the middle of the beam.

8. The three-way pre-tensioned steel wire tension beam structure according to claim 2, wherein, The fixing screw includes a through screw rod and a fixing nut, the fixing screw penetrates the beam through the through screw rod, and the fixing screw fixes the steel wire on the beam through the fixing nut.

9. The three-way pre-tensioned steel wire tension beam structure according to claim 4, characterized in that, The jacking screw includes a jacking screw rod and a jacking nut, the jacking screw is screwed into the steel wire groove and jacks up the steel wire through the jacking screw rod, and the jacking nut is used for screwing the jacking screw into the beam.

10. The three-way pre-tensioned steel wire tension beam structure according to claim 1, wherein, The steel wire groove is arranged on the side of the beam, the bottom of the beam is provided with a mounting screw hole, the mounting screw hole is at least four, and the mounting screw hole is used for installing the pre-tightening assembly.

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