Bridge prestress tension grouting system

Abstract

The utility model relates to the technical field of bridge construction, and discloses a bridge prestress tension grouting system which comprises a first jack, a limiting plate, a fixed seat, a sleeve, a sliding rod, a movable plate and a tool anchor. In the using process, under the guiding and supporting effects of the sleeve and the sliding rod, the position of the movable plate can be adjusted by shifting the movable plate. When prestress tensioning is carried out, firstly, the movable plate is poked, so that the tool anchor is separated from the first jack, and then the first jack can be arranged outside the steel strand in a sleeving mode. After the steel strand penetrates through the first jack, the position of each wire harness of the steel strand can be seen as the tool anchor is separated from the first jack. Therefore, each steel strand harness can conveniently pass through the tool anchor and the through hole. And finally, the movable plate is shifted again, so that the working anchor can abut against the first jack. When the position of the tool anchor is adjusted, the sleeve and the sliding rod bear the weight of the tool anchor, and therefore the tool anchor can be moved conveniently. The device has the advantages of time and labor saving and quick installation.

Description

Technical Field

[0001] The present application relates to the technical field of bridge construction, for example, to a prestressed tensioning and grouting system for a bridge. Background Art

[0002] At present, in order to ensure the reliability, safety and service life of the bridge, it is necessary to build effective prestressing. The related technology (Announcement No.: CN217026722U) discloses a bridge prestressing tensioning and grouting system, including a tool anchor, an intelligent jack and a support structure. The tool anchor is used to counteract the intelligent jack. The support structure includes an upper plywood and a lower plywood located below the upper plywood, and the intelligent jack is clamped between the upper plywood and the lower plywood. The lower end of the lower plywood is fixedly connected to the support rod, and a support tube is mounted on the lower part of the support rod. The lower end of the support tube is fixedly connected to the base, and support wheels are installed at the four corners of the bottom end of the base.

[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0004] The design of the supporting structure can support the smart jack. The supporting structure has a height adjustment function to suit prestressed construction work at different heights. However, during prestressing, the operator still needs to lift the tool anchor and install it at the port of the smart jack. Due to the heavy weight of the tool anchor, it is not easy to operate.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0007] The disclosed embodiment provides a bridge prestressed tensioning and grouting system to facilitate the installation of tool anchors.

[0008] In some embodiments, a prestressed tensioning and grouting system for a bridge includes: a first jack; a limit plate for abutting against one end of the first jack; a fixed seat connected to the outer wall of the first jack; a sleeve installed on the fixed seat along the axial direction of the first jack, and located on both sides of the first jack along the radial direction of the first jack; sliding rods slidably installed on the sleeves on both sides, one end of the sliding rods on both sides are located in the sleeves, and the other ends of the sliding rods on both sides are located outside the sliding rods; a movable plate connected to the other end of the sliding rods on both sides, and the movable plate includes a through hole; a tool anchor connected to the movable plate and arranged coaxially with the through hole; wherein, with the relative movement of the sliding rod and the sleeve, the tool anchor can abut against the other end of the first jack.

[0009] Optionally, the fixed seat includes: a support seat, the support seat includes a first groove; a clamping seat, the clamping seat includes a second groove; a bolt, which passes through the clamping seat and is threadedly connected to the support seat; wherein the first jack is clamped between the first groove and the second groove, and the sleeves on both sides are respectively connected to the support seat and the clamping seat.

[0010] Optionally, it also includes: a linear bearing, which is sleeved on the sliding rod and installed at the port of the sleeve.

[0011] Optionally, it also includes: a limit head connected to the end of the sliding rod and located inside the sleeve.

[0012] Optionally, it also includes: a clip, which is detachably mounted on the limiting plate and the tool anchor.

[0013] Optionally, it also includes: a support frame connected to the fixing seat to change the height of the fixing seat.

[0014] Optionally, the support frame includes: a first support plate connected to the fixed seat; a second support plate, a plane where the second support plate is located is parallel to the plane where the first support plate is located; a second jack installed between the opposite surfaces of the first support plate and the second support plate; wherein, under the drive of the second jack, the distance between the first support plate and the second support plate changes.

[0015] Optionally, the support frame also includes: a cylinder, which is respectively inserted into the four corners of the second support plate; a screw, which is threadedly connected to the inside of each of the cylinders; and a knob, which is respectively connected to one end of each of the screws for holding; wherein the knob is located between the opposite surfaces of the first support plate and the second support plate.

[0016] Optionally, the support frame further includes: a universal wheel, respectively connected to the other end of each of the screw rods.

[0017] The prestressed tensioning and grouting system for bridges provided in the embodiments of the present disclosure can achieve the following technical effects:

[0018] A bridge prestressing tensioning and grouting system provided by the embodiment of the present disclosure includes a first jack, a limit plate, a fixed seat, a sleeve, a slide bar, a movable plate and a tool anchor. The first jack is used to provide a driving force. The limit plate is used to abut against one end of the first jack to play a limiting role so as to adjust the position of the first jack. The fixed seat is connected to the outer wall of the first jack, used to clamp and fix the first jack, and support the installation sleeve. The sleeve is installed on the fixed seat along the axial direction of the first jack, and is located on both sides of the first jack along the radial direction of the first jack, and is used to support and install a slidable slide bar. The slide bars are slidably installed on the sleeves on both sides, and play a guiding and supporting role together. One end of the slide bars on both sides is located in the sleeve, and the other end of the slide bars on both sides is located outside the slide bars. The movable plate is connected to the other end of the slide bars on both sides, and moves synchronously with the slide bars on both sides. The movable plate includes a through hole, and the through hole is used to pass the steel strand. The tool anchor is connected to the movable plate and moves synchronously with the movable plate. The tool anchor is arranged coaxially with the through hole, so that the steel strand passing through the tool anchor can pass through the through hole. Wherein, with the relative movement of the slide bar and the sleeve, the tool anchor can abut against the other end of the first jack.

[0019] During use, under the guiding support of the sleeve and the slide bar, the position of the movable plate can be adjusted by toggling the movable plate. Then the position of the tool anchor is adjusted to change the relative position of the tool anchor and the first jack. When prestressing, first toggle the movable plate to separate the tool anchor from the first jack, and then the limit plate and the first jack can be set on the outside of the steel strand. After the steel strand passes through the first jack, the position of each wire harness of the steel strand can be seen because the tool anchor is separated from the first jack. This makes it convenient to pass each steel strand harness through the tool anchor. Since the through hole is set on the same center line as the tool anchor, each steel strand harness can naturally pass through the through hole after passing through the tool anchor. Finally, the movable plate is toggled again to make the working anchor and the first jack collide. When adjusting the position of the tool anchor, the weight of the tool anchor is borne by the sleeve and the slide bar, so it is easy to move the tool anchor. It has the advantages of saving time and effort and quick installation.

[0020] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0022] Figure 1 It is a schematic cross-sectional structure diagram of a bridge prestressed tensioning and grouting system provided by an embodiment of the present disclosure;

[0023] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 3 yes Figure 1 A schematic diagram of the enlarged structure at B in the middle;

[0025] Figure 4 It is a schematic diagram of the main structure of a bridge prestressed tensioning and grouting system provided in an embodiment of the present disclosure.

[0026] Reference numerals:

[0027] 10: first jack; 20: limit plate; 30: fixed seat; 31: support seat; 32: clamping seat; 33: bolt; 40: sleeve; 50: slide bar; 60: moving plate; 70: tool anchor; 80: linear bearing; 90: limit head; 100: support frame; 101: first support plate; 102: second support plate; 103: second jack; 104: cylinder; 105: screw; 106: knob; 107: universal wheel. DETAILED DESCRIPTION

[0028] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0029] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0030] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0031] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0032] Unless otherwise stated, the term "plurality" means two or more.

[0033] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0034] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0036] Combination Figures 1 to 4As shown, the embodiment of the present disclosure provides a bridge prestressing tensioning and grouting system, including a first jack 10, a limit plate 20, a fixed seat 30, a sleeve 40, a slide rod 50, a movable plate 60 and a tool anchor 70. The limit plate 20 is used to abut against one end of the first jack 10. The fixed seat 30 is connected to the outer wall of the first jack 10. The sleeve 40 is installed on the fixed seat 30 along the axial direction of the first jack 10, and is located on both sides of the first jack 10 along the radial direction of the first jack 10. The slide rod 50 is slidably installed on the sleeves 40 on both sides, one end of the slide rods 50 on both sides is located in the sleeve 40, and the other end of the slide rods 50 on both sides is located outside the slide rod 50. The movable plate 60 is connected to the other end of the slide rods 50 on both sides, and the movable plate 60 includes a through hole. The tool anchor 70 is connected to the movable plate 60 and is arranged coaxially with the through hole. Here, along with the relative movement of the sliding rod 50 and the sleeve 40 , the tool anchor 70 can abut against the other end of the first jack 10 .

[0037] A bridge prestressing tensioning and grouting system provided by the embodiment of the present disclosure includes a first jack 10, a limit plate 20, a fixed seat 30, a sleeve 40, a slide bar 50, a movable plate 60 and a tool anchor 70. The first jack 10 is used to provide a driving force. The limit plate 20 is used to abut against one end of the first jack 10 to play a limiting role so as to adjust the position of the first jack 10. The fixed seat 30 is connected to the outer wall of the first jack 10, and is used to clamp and fix the first jack 10, and support and install the sleeve 40. The sleeve 40 is installed on the fixed seat 30 along the axial direction of the first jack 10, and is located on both sides of the first jack 10 along the radial direction of the first jack 10, and is used to support and install the slidable slide bar 50. The slide bar 50 is slidably installed on the sleeves 40 on both sides, and together plays the role of guiding support. One end of the slide bar 50 on both sides is located in the sleeve 40, and the other end of the slide bar 50 on both sides is located outside the slide bar 50. The movable plate 60 is connected to the other end of the sliding rods 50 on both sides and moves synchronously with the sliding rods 50 on both sides. The movable plate 60 includes a through hole, and the through hole is used to pass the steel strand. The tool anchor 70 is connected to the movable plate 60 and moves synchronously with the movable plate 60. The tool anchor 70 is arranged on the same center line as the through hole, so that the steel strand passing through the tool anchor 70 can pass through the through hole. Among them, with the relative movement of the sliding rod 50 and the sleeve 40, the tool anchor 70 can be against the other end of the first jack 10.

[0038] During use, under the guiding support of the sleeve 40 and the slide bar 50, the position of the movable plate 60 can be adjusted by toggling the movable plate 60. Then the position of the tool anchor 70 is adjusted to change the relative position of the tool anchor 70 and the first jack 10. When prestressing, first toggle the movable plate 60 to separate the tool anchor 70 from the first jack 10, and then the limit plate 20 and the first jack 10 can be sleeved on the outside of the steel strand. After the steel strand passes through the first jack 10, since the tool anchor 70 is separated from the first jack 10, the position of each wire harness of the steel strand can be seen. This makes it convenient to pass each steel strand harness through the tool anchor 70. Since the through hole is set on the same center line as the tool anchor 70, each steel strand harness can naturally pass through the through hole after passing through the tool anchor 70. Finally, toggle the movable plate 60 again to make the working anchor and the first jack 10 collide. When adjusting the position of the tool anchor 70, the weight of the tool anchor 70 is borne by the sleeve 40 and the slide rod 50, so it is easy to move the tool anchor 70. This has the advantages of saving time and effort and quick installation.

[0039] Optionally, combined Figure 1 and Figure 4 As shown, the fixing seat 30 includes a supporting seat 31, a clamping seat 32 and a bolt 33. The supporting seat 31 includes a first groove. The clamping seat 32 includes a second groove. The bolt 33 is passed through the clamping seat 32 and is threadedly connected to the supporting seat 31. The first jack 10 is clamped between the first groove and the second groove, and the sleeves 40 on both sides are respectively connected to the supporting seat 31 and the clamping seat 32.

[0040] In the disclosed embodiment, the fixing seat 30 includes a supporting seat 31, a clamping seat 32 and a bolt 33. The supporting seat 31 includes a first groove and a threaded hole. The clamping seat 32 includes a second groove and a circular hole. When clamping and fixing, the first jack 10 is located between the first groove of the supporting seat 31 and the second groove of the clamping seat 32. Then, the bolt 33 is passed through the circular hole of the clamping seat 32, and the bolt 33 is threadedly connected to the threaded hole of the supporting seat 31, and the fixing seat 30 can clamp and fix the first jack 10. The connection method using the bolt 33 has the advantages of stable connection and easy disassembly.

[0041] Optionally, combined Figure 1 and Figure 2 As shown, a linear bearing 80 is also included. The linear bearing 80 is sleeved on the slide bar 50 and installed at the end of the sleeve 40.

[0042] In the disclosed embodiment, a linear bearing 80 is also included which is sleeved on the slide bar 50 and installed at the end of the sleeve 40. The linear bearing 80 is used to support and install the slidable slide bar 50, reducing the friction force on the slide bar 50. This reduces the force required to adjust the position of the tool anchor 70, further facilitating the installation of the tool anchor 70.

[0043] Optionally, combined Figure 1 and Figure 3 As shown, a stopper 90 is also included. The stopper 90 is connected to the end of the slide bar 50 and is located inside the sleeve 40.

[0044] In the disclosed embodiment, a stopper 90 is also included which is connected to the end of the slide bar 50 and is located inside the sleeve 40. The stopper 90 serves to limit the slide bar 50 to prevent it from falling off from the linear bearing 80, thereby avoiding safety accidents such as injuries.

[0045] Optionally, a clip is further included. The clip is detachably mounted on the tool anchor 70 .

[0046] In the embodiment of the present disclosure, a clip is also included for use with the tool anchor 70. The clip is detachably mounted on the tool anchor 70, and is fixed by an anchor and a steel strand using the conical wedging principle to form an anchoring unit.

[0047] Optionally, combined Figures 1 to 4 As shown, a support frame 100 is also included. The support frame 100 is connected to the fixing base 30 to change the height of the fixing base 30.

[0048] In the embodiment of the present disclosure, a support frame 100 connected to the fixing seat 30 is also included. The support frame 100 is used to change the height of the fixing seat 30, and finally realize the height adjustment function, so as to be suitable for prestressed construction work of different heights.

[0049] Optionally, combined Figure 1 and Figure 4 As shown, the support frame 100 includes a first support plate 101, a second support plate 102 and a second jack 103. The first support plate 101 is connected to the fixing seat 30. The plane where the second support plate 102 is located is parallel to the plane where the first support plate 101 is located. The second jack 103 is installed between the opposite surfaces of the first support plate 101 and the second support plate 102. Wherein, under the drive of the second jack 103, the distance between the first support plate 101 and the second support plate 102 changes.

[0050] In the disclosed embodiment, the support frame 100 includes a first support plate 101, a second support plate 102 and a second jack 103. The first support plate 101 and the second support plate 102 are both used for supporting and installing different components. The second jack 103 is used to provide a driving force to adjust the distance between the first support plate 101 and the second support plate 102. During use, the second jack 103 is controlled to work, so that the distance between the first support plate 101 and the second support plate 102 can be changed, and finally the height adjustment function can be realized.

[0051] Optionally, combined Figure 1and Figure 4 As shown, the support frame 100 further includes a cylinder 104, a screw rod 105 and a knob 106. The cylinders 104 are respectively arranged at the four corners of the second support plate 102. The screw rods 105 are respectively threadedly connected to the inside of each cylinder 104. The knob 106 is respectively connected to one end of each screw rod 105 for holding. The knob 106 is located between the opposite surfaces of the first support plate 101 and the second support plate 102.

[0052] In the disclosed embodiment, the support frame 100 further includes a cylinder 104, a screw 105 and a knob 106. The cylinders 104 are respectively arranged at the four corners of the second support plate 102 for supporting and installing the screw 105. The screw 105 is respectively threadedly connected to the inside of each cylinder 104 and can rotate relative to the cylinder 104. The knob 106 is respectively connected to one end of each screw 105 for holding so as to make the screw 105 rotate. Among them, the knob 106 is located between the opposite surfaces of the first support plate 101 and the second support plate 102 so as to manually turn the knob 106. During use, the screw 105 can be driven to rotate by rotating. Through the interaction between the threads, the position of the screw 105 relative to the cylinder 104 can be changed. Then, the position of the screw 105 relative to the second support plate 102 is changed, and the positions of different screws 105 are adjusted respectively, so that it can be adapted to uneven ground use.

[0053] Optionally, combined Figure 1 and Figure 4 As shown, the support frame 100 further includes a universal wheel 107. The universal wheel 107 is connected to the other end of each screw rod 105 respectively.

[0054] In the embodiment of the present disclosure, the support frame 100 further includes a universal wheel 107 respectively connected to the other end of each screw rod 105. The universal wheel 107 is used to contact the ground to provide a rolling function, thereby facilitating movement.

[0055] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A bridge prestressed tensioning grouting system, characterized in that: include: First Jack; A limiting plate, used to abut against one end of the first jack; A fixing seat connected to the outer wall of the first jack; a sleeve, mounted on the fixing seat along the axial direction of the first jack, and located on both sides of the first jack along the radial direction of the first jack; Slide rods are slidably mounted on the sleeves at both sides, one end of the slide rods at both sides is located inside the sleeves, and the other end of the slide rods at both sides is located outside the slide rods; A movable plate connected to the other end of the sliding rods at both sides, wherein the movable plate includes a through hole; A tool anchor connected to the movable plate and arranged coaxially with the through hole; Wherein, along with the relative movement of the sliding rod and the sleeve, the tool anchor can abut against the other end of the first jack.

2. A bridge prestressed tensioning and grouting system according to claim 1, characterized in that: The fixing seat comprises: A support seat, the support seat comprising a first groove; a clamping seat, the clamping seat comprising a second groove; A bolt, passing through the clamping seat and threadedly connected to the support seat; Wherein, the first jack is clamped between the first groove and the second groove, and the sleeves on both sides are respectively connected to the support seat and the clamping seat.

3. A bridge prestressed tensioning and grouting system according to claim 1, characterized in that: Also includes: A linear bearing is sleeved on the slide bar and installed at the end of the sleeve.

4. A bridge prestressed tensioning and grouting system according to claim 1, characterized in that: Also includes: The limiting head is connected to the end of the sliding rod and is located inside the sleeve.

5. The prestressed tensioning and grouting system for bridges according to claim 1 is characterized in that: Also includes: A clip is detachably mounted on the limiting plate and the tool anchor.

6. A bridge prestressed tensioning and grouting system according to any one of claims 1 to 5, characterized in that: Also includes: The support frame is connected to the fixing seat and is used to change the height of the fixing seat.

7. A bridge prestressed tensioning and grouting system according to claim 6, characterized in that: The support frame comprises: A first supporting plate connected to the fixing seat; A second support plate, wherein a plane where the second support plate is located is parallel to a plane where the first support plate is located; a second jack installed between opposite surfaces of the first support plate and the second support plate; Wherein, under the driving of the second jack, the distance between the first support plate and the second support plate changes.

8. A bridge prestressed tensioning and grouting system according to claim 7, characterized in that: The support frame also includes: Cylinders are respectively disposed at four corners of the second support plate; A screw, threadedly connected to the inside of each of the cylinders; A knob, connected to one end of each of the screw rods, for holding; Wherein, the knob is located between opposite surfaces of the first supporting plate and the second supporting plate.

9. A bridge prestressed tensioning and grouting system according to claim 8, characterized in that: The support frame also includes: The universal wheel is respectively connected to the other end of each of the screw rods.

Images