Tensioning rod for prefabricating mold of prestressed high-speed rail track board

Abstract

The utility model discloses a tension rod for a prefabricating mold of a prestressed high-speed rail track board, which relates to the technical field of rail transit and comprises a tension releasing connecting end, a prestressed tendon connecting end is fixedly connected to one end of the tension releasing connecting end, and a rod body is fixedly connected to one end, far away from the tension releasing connecting end, of the prestressed tendon connecting end. An extension rod is fixedly connected to the end, away from the prestressed tendon connecting end, of the rod body, the rod wall of the extension rod is slidably sleeved with a sleeve, an adjusting mechanism is arranged in the sleeve, and the sleeve moves through the adjusting mechanism. The screw rod is rotated by rotating the knob, then the extension rod can move left and right, the extension rod can be prevented from rotating along with the rotation of the screw rod by utilizing the two sliding blocks in the process, and then the extension rod is moved out of the sleeve, so that the overall length of the device can be increased, and the device can be suitable for different use environments.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a tension rod for a prefabricated mould of a prestressed high-speed railway track plate. Background Art

[0002] In the process of making track slabs with prestressed concrete, the tensioning and releasing of prestressed steel bars is a particularly important process, and tension rods are usually needed in this process to complete the tensioning and releasing work.

[0003] Among them, the publication number CN207273484U is a tension rod for a prestressed high-speed rail track plate prefabricated mold, which belongs to the field of railway transportation. Its structure includes a rod body, which is divided into two parts, one part is a tensioning connection end, and the other part is a prestressed tendon connection end.

[0004] However, the existing tension rods used in the prefabricated molds for prestressed high-speed rail track plates cannot adjust their own length according to actual usage conditions, so tension rods of a specified length need to be customized in advance each time they are used, which affects the progress of construction. Utility Model Content

[0005] In view of the problems existing in the above-mentioned existing tension rods for prefabricated molds of prestressed high-speed railway track plates, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a tension rod for a prestressed high-speed railway track slab prefabricated mold, which solves the problem that the existing tension rod for the prefabricated mold of the prestressed high-speed railway track slab cannot adjust its own length according to actual usage conditions, so each time it is used, it is necessary to customize the tension rod of a specified length in advance, thereby affecting the progress of construction.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A tension rod for a prefabricated mold of a prestressed high-speed railway track plate comprises a tensioning connection end, one end of the tensioning connection end is fixedly connected to a prestressed tendon connection end, the prestressed tendon connection end and an end away from the tensioning connection end are fixedly connected to a rod body, the end of the rod body away from the prestressed tendon connection end is fixedly connected to an extension rod, a sleeve is slidably sleeved on the rod wall of the extension rod, an adjustment mechanism is arranged inside the sleeve, and the sleeve is moved by the adjustment mechanism.

[0009] Preferably, the adjustment mechanism includes a knob and a screw rod, the screw rod is rotatably connected to the rod wall at one end of the sleeve, an internal thread groove is opened inside one end of the extension rod, one end of the screw rod is threadedly sleeved inside the internal thread groove, one end of the sleeve is opened with a groove, the end of the screw rod away from the sleeve passes through the side wall of one end of the sleeve and extends to the inside of the groove, and the knob is arranged inside the groove and fixedly connected to one end of the screw rod.

[0010] Preferably, an annular cavity is provided inside the sleeve, an annular hole is provided at one end of the annular cavity, and an annular reinforcing plate is slidably provided inside the annular hole.

[0011] Preferably, two sliding grooves are fixedly provided on the inner wall of the sleeve, and sliders are slidably arranged inside the two sliding grooves, and the two sliders are fixedly connected to the rod wall of the sleeve.

[0012] Preferably, a plug is slidably provided inside the groove.

[0013] Preferably, a hexagonal groove is formed on one side of the knob.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model can rotate the screw rod by rotating the knob, and then the extension rod can be moved left and right. In this process, two sliders can be used to prevent the extension rod from rotating along with the rotation of the screw rod, and then the extension rod is moved out from the inside of the sleeve, thereby increasing the overall length of the device, so that the device can be suitable for different use environments.

[0016] 2. The utility model sets the knob inside the groove and then blocks it with a plug, thereby preventing the staff from accidentally touching the knob. When adjusting, the staff uses a hexagonal wrench of a specified specification to rotate the knob. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 A cross-sectional view of

[0020] Figure 3 For the utility model Figure 2 A magnified schematic diagram of part A.

[0021] Description of reference numerals:

[0022] 1. Tensioning connection end; 2. Prestressed tendon connection end; 3. Rod body; 4. Extension rod; 5. Sleeve; 6. Knob; 7. Screw rod; 8. Annular reinforcement plate; 9. Slider; 10. Plug. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model embodiment discloses a tension rod for a prefabricated mould of a prestressed high-speed railway track slab.

[0025] The utility model provides Figure 1-3 The tension rod for a prefabricated mold of a prestressed high-speed railway track plate shown in the figure includes a tensioning connection end 1, one end of the tensioning connection end 1 is fixedly connected to a prestressed tendon connection end 2, the prestressed tendon connection end 2 and an end away from the tensioning connection end 1 are fixedly connected to a rod body 3, the end of the rod body 3 away from the prestressed tendon connection end 2 is fixedly connected to an extension rod 4, the rod wall of the extension rod 4 is slidably sleeved with a sleeve 5, an adjustment mechanism is arranged inside the sleeve 5, and the sleeve 5 is moved by the adjustment mechanism.

[0026] The adjustment mechanism can facilitate the extension rod 4 to be moved out from the interior of the sleeve 5, thereby increasing the overall length of the device, so that the device can be suitable for different use environments.

[0027] In order to move the extension rod 4, Figure 2-3 As shown, the adjustment mechanism includes a knob 6 and a screw rod 7, the screw rod 7 is rotatably connected to the rod wall at one end of the sleeve 5, an internal thread groove is opened inside one end of the extension rod 4, one end of the screw rod 7 is threadedly sleeved inside the internal thread groove, one end of the sleeve 5 is opened with a groove, the end of the screw rod 7 away from the sleeve 5 passes through the side wall of one end of the sleeve 5 and extends to the inside of the groove, the knob 6 is arranged inside the groove and fixedly connected to one end of the screw rod 7, the inner wall of the sleeve 5 is fixedly provided with two sliding grooves, the interior of the two sliding grooves are both slidably provided with sliders 9, and the two sliders 9 are both fixedly connected to the rod wall of the sleeve 5.

[0028] The knob 6 is rotated to rotate the screw rod 7, and then the extension rod 4 can be moved left and right. In this process, two sliders 9 can be used to prevent the extension rod 4 from rotating following the rotation of the screw rod 7.

[0029] In order to improve the strength of the device, Figure 1-2 As shown, an annular cavity is provided inside the sleeve 5, an annular hole is provided at one end of the annular cavity, and an annular reinforcing plate 8 is slidably provided inside the annular hole.

[0030] The annular reinforcing plate 8 can be used to improve the overall strength of the device, thereby making the device more stable.

[0031] Finally, in order to prevent the staff from accidentally touching the knob 6, Figure 2-3 As shown, a plug 10 is slidably arranged inside the groove, and a hexagonal groove is opened on one side of the knob 6.

[0032] By setting the knob 6 inside the groove and then plugging it with a plug, the worker can be prevented from accidentally touching the knob 6. When adjusting, the worker uses a hexagonal wrench of a specified specification to rotate the knob 6.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A tension rod for a prefabricated mold of a prestressed high-speed railway track slab, comprising a tension release connecting end (1), characterized in that: One end of the tensioning connection end (1) is fixedly connected to a prestressed tendon connection end (2); the prestressed tendon connection end (2) and an end away from the tensioning connection end (1) are fixedly connected to a rod body (3); the end of the rod body (3) away from the prestressed tendon connection end (2) is fixedly connected to an extension rod (4); a sleeve (5) is slidably sleeved on the rod wall of the extension rod (4); an adjustment mechanism is provided inside the sleeve (5); and the sleeve (5) moves through the adjustment mechanism.

2. The tension rod for the prefabricated mold of the prestressed high-speed railway track slab according to claim 1 is characterized in that: The adjustment mechanism comprises a knob (6) and a screw rod (7), wherein the screw rod (7) is rotatably connected to a rod wall at one end of a sleeve (5), an inner thread groove is provided at one end of the extension rod (4), one end of the screw rod (7) is threadedly sleeved inside the inner thread groove, one end of the sleeve (5) is provided with a groove, one end of the screw rod (7) away from the sleeve (5) penetrates a side wall at one end of the sleeve (5) and extends to the inside of the groove, and the knob (6) is arranged inside the groove and fixedly connected to one end of the screw rod (7).

3. The tension rod for prefabricated mold of prestressed high-speed railway track slab according to claim 1 is characterized in that: An annular cavity is provided inside the sleeve (5), an annular hole is provided at one end of the annular cavity, and an annular reinforcing plate (8) is slidably arranged inside the annular hole.

4. The tension rod for the prefabricated mold of the prestressed high-speed railway track slab according to claim 1 is characterized in that: Two sliding grooves are fixedly provided on the inner wall of the sleeve (5), and sliding blocks (9) are slidably arranged inside the two sliding grooves. The two sliding blocks (9) are fixedly connected to the rod wall of the sleeve (5).

5. The tension rod for the prefabricated mold of the prestressed high-speed railway track slab according to claim 2 is characterized in that: A plug (10) is slidably arranged inside the groove.

6. The tension rod for the prefabricated mold of the prestressed high-speed railway track slab according to claim 2 is characterized in that: A hexagonal groove is provided on one side of the knob (6).

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