Tool for tensioning rigid pull rod
By designing the sleeve, adjustment mechanism and second connecting rod tool, the problem of difficulty in adjusting the length of the tie rod with existing tools is solved, the device's versatility and operational flexibility are improved, and it can adapt to the design needs of different bridges or structures.
Patent Information
- Application Number
- CN202421191377.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-01-21
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing rigid pull rod tensioning tools are difficult to flexibly adjust the pull rod length according to actual application requirements, which limits the device's ability to adapt to the diversity and complexity of bridges and building structures, and reduces versatility and operational flexibility.
A tool including a sleeve, an adjustment mechanism and a second connecting rod is designed. The adjustment mechanism can adjust the extension of the second connecting rod outside the sleeve to adapt to the design needs of different bridges or structures.
It improves the versatility and operational flexibility of the device, can better adapt to the needs of different structures, and solves the problem of insufficient flexibility caused by the fixed length of the existing device.
Smart Images

Figure CN222376027U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tensioning equipment, in particular to a tool for tensioning a rigid pull rod. Background Art
[0002] Rigid tie rod tensioning tools are special tools used to tension rigid tie rods. These tools usually include tensioners, anchors, clamps, jacks and other components, which are used to apply prestress to rigid tie rods in the fields of building construction, bridge engineering, tunnel engineering, etc. to improve the stability and bearing capacity of the structure.
[0003] At present, existing devices on the market generally face a common challenge: the length of the rigid tie rod is usually fixed, which makes it difficult to flexibly adjust the length of the tie rod according to the needs of actual applications. This limitation significantly restricts the device's ability to adapt to the diversity and complexity of bridge and building structures, thereby reducing its overall versatility and operational flexibility. To this end, we provide a rigid tie rod tensioning tool to solve the above problem. Utility Model Content
[0004] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a tool for tensioning a rigid pull rod.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tool for rigid pull rod tensioning, comprising a sleeve, two symmetrical pedestal embedded ear plates are provided below the sleeve, a connecting mechanism is provided below the sleeve, a lower hanging beam assembly is provided on the outside of the sleeve, a first connecting rod is fixedly connected to the upper surface of the sleeve, an upper cross beam assembly is provided on the outside of the first connecting rod, a first fork ear is fixedly connected to the upper surface of the first connecting rod, an adjustment mechanism is provided inside the sleeve, a second connecting rod is slidably connected inside the sleeve, and a second fork ear is fixedly connected to the bottom surface of the second connecting rod.
[0006] Furthermore, the connecting mechanism includes two symmetrical first sockets and a threaded rod, the two first sockets are both opened on the outer surface of the embedded ear plate of the base, the outer surface of the second fork ear is opened with a second socket, and the outer surface of the threaded rod is inserted into the inside of the first socket.
[0007] Furthermore, the outer surface of the threaded rod is inserted into the interior of the second insertion hole, and the outer surface of the threaded rod is threadedly connected to two symmetrical nuts.
[0008] Furthermore, the adjustment mechanism includes a rotating shaft, an outer surface of the rotating shaft is rotatably connected to the interior of the sleeve, and a first bevel gear is fixedly connected to the outer surface of the rotating shaft.
[0009] Furthermore, a fixing plate is fixedly connected to the interior of the sleeve, and a screw rod is rotatably connected to the interior of the fixing plate.
[0010] Furthermore, the outer surface of the screw rod is fixedly connected to a second bevel gear, the first bevel gear and the second bevel gear are meshed, and the outer surface of the screw rod is connected to the inner thread of the second connecting rod.
[0011] Furthermore, the outer surface of the second connecting rod is fixedly connected to a limiting block, and the outer surface of the limiting block is slidably connected to the interior of the sleeve.
[0012] Compared with the prior art, the rigid pull rod tensioning tool has the following beneficial effects:
[0013] 1. The utility model provides a sleeve, an adjustment mechanism and a second connecting rod. When in use, the adjustment mechanism can be used to adjust the extension amount of the second connecting rod outside the sleeve, so that the device can adapt to the design requirements of different bridges or structures, greatly improving the versatility and operational flexibility of the device, and effectively solving the problems existing in the existing device.
[0014] 2. The utility model sets a first socket, a second socket, a threaded rod, a nut, a pre-embedded ear plate of the base and a second fork ear. When the first socket and the second socket overlap, the threaded rod is inserted into the first socket and the second socket, and two nuts are screwed on the surface of the threaded rod, so that the installation connection between the pre-embedded ear plate of the base and the second fork ear can be realized. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional front view structural schematic diagram of the utility model;
[0016] Figure 2 The following is a schematic diagram of the partial structure of the connection mechanism of the utility model. Figure 1 ;
[0017] Figure 3 The following is a schematic diagram of the partial structure of the connection mechanism of the utility model. Figure 2 ;
[0018] Figure 4 It is a schematic diagram of the adjustment mechanism of the utility model;
[0019] Figure 5 It is a partial structural schematic diagram of the regulating mechanism of the utility model.
[0020] In the figure: 1. sleeve; 2. embedded ear plate of the base; 3. connecting mechanism; 301. first socket; 302. second socket; 303. threaded rod; 304. nut; 4. lower hanging beam assembly; 5. first connecting rod; 6. upper cross beam assembly; 7. first fork ear; 8. adjusting mechanism; 801. rotating shaft; 802. first bevel gear; 803. fixing plate; 804. screw rod; 805. second bevel gear; 806. limit block; 9. second connecting rod; 10. second fork ear. DETAILED DESCRIPTION
[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0022] This embodiment provides a tool for rigid tie rod tensioning. By setting a sleeve 1, an adjustment mechanism 8 and a second connecting rod 9, when in use, the adjustment mechanism 8 can be used to adjust the extension amount of the second connecting rod 9 outside the sleeve 1, so that the device can adapt to the design requirements of different bridges or structures, greatly improving the versatility and operational flexibility of the device, and effectively solving the problems existing in the existing device.
[0023] Embodiment 1
[0024] like Figure 1-5 As shown, the utility model proposes a rigid pull rod tensioning tool, including a sleeve 1, two symmetrical pedestal embedded ear plates 2 are provided below the sleeve 1, a connecting mechanism 3 is provided below the sleeve 1, and a lower hanging beam assembly 4 is provided outside the sleeve 1.
[0025] The lower hanging beam assembly 4 is assembled by two hanging beams through tension bolts. The lower hanging beam on one side is welded by a steel plate, four flat plates, and eight stiffening plates. The thickness of the steel plate is 10 mm. After the lower hanging beams on both sides are welded, they can be connected by four tension bolts to form the lower hanging beam assembly 4.
[0026] A first connecting rod 5 is fixedly connected to the upper surface of the sleeve 1 , and an upper crossbeam assembly 6 is disposed outside the first connecting rod 5 .
[0027] The upper crossbeam assembly 6 is composed of two symmetrical crossbeams connected by six bolts. A single upper crossbeam is welded together by two flat plates, one side plate, and six stiffening plates. The thickness of the steel plates is 10 mm. Tension bolt holes are reserved on the side plates, and Ф35 mm finely rolled threaded steel holes and Ф125 mm rigid tie rod holes are reserved on the upper and lower plates.
[0028] A first fork ear 7 is fixedly connected to the upper surface of the first connecting rod 5 .
[0029] The connection mechanism 3 and the adjustment mechanism 8 can be operated on the premise that the first fork ear 7 is first connected to the bottom ear plate of the steel beam through another connection mechanism 3.
[0030] An adjusting mechanism 8 is provided inside the sleeve 1 , a second connecting rod 9 is slidably connected inside the sleeve 1 , and a second fork ear 10 is fixedly connected to the bottom surface of the second connecting rod 9 .
[0031] Embodiment 2
[0032] like Figure 1-5 As shown, this embodiment further illustrates Example 1, the connecting mechanism 3 includes two symmetrical first sockets 301 and a threaded rod 303, the two first sockets 301 are both opened on the outer surface of the embedded ear plate 2 of the base, the outer surface of the second fork ear 10 is opened with a second socket 302, and the outer surface of the threaded rod 303 is inserted into the inside of the first socket 301.
[0033] The outer surface of the threaded rod 303 is inserted into the interior of the second insertion hole 302 , and the outer surface of the threaded rod 303 is threadedly connected with two symmetrical nuts 304 .
[0034] When the first socket 301 and the second socket 302 overlap, the threaded rod 303 is inserted into the first socket 301 and the second socket 302, and two nuts 304 are screwed on the surface of the threaded rod 303, so as to realize the installation connection between the embedded ear plate 2 of the base and the second fork ear 10.
[0035] The adjusting mechanism 8 comprises a rotating shaft 801 , the outer surface of the rotating shaft 801 is rotatably connected to the interior of the sleeve 1 , and the outer surface of the rotating shaft 801 is fixedly connected to a first bevel gear 802 .
[0036] A hexagonal groove is provided on one side of the rotating shaft 801 , and a worker can insert a corresponding tool into the hexagonal groove and rotate the rotating shaft 801 by rotating the tool.
[0037] A fixing plate 803 is fixedly connected inside the sleeve 1 , and a screw rod 804 is rotatably connected inside the fixing plate 803 .
[0038] The outer surface of the screw rod 804 is fixedly connected with the second bevel gear 805 , the first bevel gear 802 and the second bevel gear 805 are meshed, and the outer surface of the screw rod 804 is connected with the inner thread of the second connecting rod 9 .
[0039] The outer surface of the second connecting rod 9 is fixedly connected to the limiting block 806 , and the outer surface of the limiting block 806 is slidably connected to the inside of the sleeve 1 .
[0040] The sleeve 1 and the limiting block 806 cooperate to limit the second connecting rod 9, so that the second connecting rod 9 always moves in a straight line and does not deviate from the movement trajectory.
[0041] When in use, first use another connecting mechanism 3 to connect the first fork ear 7 to the bottom ear plate of the steel beam, then the staff inserts the corresponding tool into the hexagonal groove, and drives the rotating shaft 801 to rotate by rotating the tool, drives the first bevel gear 802 to rotate, and drives the second bevel gear 805 to rotate under the meshing action of the first bevel gear 802 and the second bevel gear 805, drives the screw rod 804 to rotate inside the fixed plate 803, and under the transmission action of the screw rod 804, drives the second connecting rod 9 to move, drives the limit block 806 to move inside the sleeve 1, and drives the second fork ear 10 to move, and can adjust the extension amount of the second connecting rod 9 outside the sleeve 1, so that the device can adapt to the design requirements of different bridges or structures, greatly improves the versatility and operational flexibility of the device, and effectively solves the problems existing in the existing device.
[0042] Working principle: When in use, first use another connecting mechanism 3 to connect the first fork ear 7 to the bottom ear plate of the steel beam, then the staff inserts the corresponding tool into the hexagonal groove, and drives the rotating shaft 801 to rotate by rotating the tool, drives the first bevel gear 802 to rotate, and drives the second bevel gear 805 to rotate under the meshing action of the first bevel gear 802 and the second bevel gear 805, drives the screw rod 804 to rotate inside the fixed plate 803, and drives the second connecting rod 9 to move under the transmission action of the screw rod 804, drives the limit block 806 inside the sleeve 1 Move, driving the second fork ear 10 to move, and can adjust the extension amount of the second connecting rod 9 outside the sleeve 1, so that the device can adapt to the design requirements of different bridges or structures, greatly improving the versatility and operational flexibility of the device, and effectively solving the problems existing in the existing device. When the first hole 301 and the second hole 302 coincide, the threaded rod 303 is inserted into the first hole 301 and the second hole 302, and two nuts 304 are screwed on the surface of the threaded rod 303, so as to realize the installation connection between the embedded ear plate 2 of the base and the second fork ear 10.
[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A tool for tensioning a rigid tie rod, comprising a sleeve (1), characterized in that: Two symmetrical pre-embedded ear plates (2) of the supporting platform are arranged below the sleeve (1), a connecting mechanism (3) is arranged below the sleeve (1), a lower hanging beam assembly (4) is arranged outside the sleeve (1), a first connecting rod (5) is fixedly connected to the upper surface of the sleeve (1), an upper cross beam assembly (6) is arranged outside the first connecting rod (5), a first fork ear (7) is fixedly connected to the upper surface of the first connecting rod (5), an adjusting mechanism (8) is arranged inside the sleeve (1), a second connecting rod (9) is slidably connected inside the sleeve (1), and a second fork ear (10) is fixedly connected to the bottom surface of the second connecting rod (9).
2. A tool for tensioning a rigid tie rod according to claim 1, characterized in that: The connecting mechanism (3) comprises two symmetrical first plug holes (301) and a threaded rod (303), the two first plug holes (301) are both opened on the outer surface of the pre-embedded ear plate (2) of the base, the outer surface of the second fork ear (10) is opened with a second plug hole (302), and the outer surface of the threaded rod (303) is inserted into the inside of the first plug hole (301).
3. A tool for tensioning a rigid tie rod according to claim 2, characterized in that: The outer surface of the threaded rod (303) is inserted into the interior of the second insertion hole (302), and the outer surface of the threaded rod (303) is threadedly connected to two symmetrical nuts (304).
4. A tool for tensioning a rigid tie rod according to claim 1, characterized in that: The adjustment mechanism (8) comprises a rotating shaft (801), the outer surface of the rotating shaft (801) being rotatably connected to the interior of the sleeve (1), and the outer surface of the rotating shaft (801) being fixedly connected to a first bevel gear (802).
5. A tool for tensioning a rigid tie rod according to claim 4, characterized in that: A fixing plate (803) is fixedly connected inside the sleeve (1), and a screw rod (804) is rotatably connected inside the fixing plate (803).
6. A tool for tensioning a rigid tie rod according to claim 5, characterized in that: The outer surface of the screw rod (804) is fixedly connected to a second bevel gear (805), the first bevel gear (802) and the second bevel gear (805) are meshed, and the outer surface of the screw rod (804) is connected to the internal thread of the second connecting rod (9).
7. A tool for tensioning a rigid tie rod according to claim 6, characterized in that: The outer surface of the second connecting rod (9) is fixedly connected to a limiting block (806), and the outer surface of the limiting block (806) is slidably connected to the interior of the sleeve (1).