Prestressed concrete switch tie steel bar connecting mechanism
By designing a prestressed concrete turnout sleeper rebar connection mechanism, and utilizing components such as a fixed connection seat, a connection spring, an adjusting sleeve, and an axial limiting block, the problem of difficult rebar connection operations was solved, achieving the effects of rapid connection and material saving.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-03-31
AI Technical Summary
The existing prestressed concrete turnout sleeper reinforcement connection operation is difficult, leading to increased raw material consumption.
A prestressed concrete crossbar rebar connection mechanism is adopted, which includes components such as a hollow cylindrical fixed connection seat, a connecting spring, an adjusting sleeve, an axial limiting block, and an anchor plate. The rapid connection of rebars is achieved through the coordinated use of these components.
This enables rapid connection of steel bars, improves production efficiency, reduces raw material consumption, ensures steel bar strength, and reduces stress loss.
Smart Images
Figure CN224063799U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to butt joint connecting technical field especially relates to a prestressed concrete frog reinforced connection mechanism. BACKGROUND
[0002] In recent years, with the development of construction engineering technology, the steel bar connecting technology is also constantly innovated and progresses. The traditional steel bar connecting methods such as welding and binding are gradually replaced by more efficient and reliable mechanical connecting technology. For example, prestressed concrete ribbed steel sleeve extrusion connecting technology is a widely used steel bar mechanical connecting method;
[0003] In actual use, not all steel bars have the condition to use the above method. The existing prestressed concrete frog mainly uses long line table frog production line to produce, and the length of the steel bar is too long, so the operation is very difficult, and the raw material consumption is also easy to cause, thereby being inconvenient to use. A new steel bar connecting mode is needed. UTILITY MODEL CONTENTS
[0004] Based on the technical problem of difficult prestressed concrete frog steel bar connecting operation and raw material consumption, the utility model provides a prestressed concrete frog steel bar connecting mechanism.
[0005] The prestressed concrete frog steel bar connecting mechanism provided by the utility model comprises a hollow cylindrical fixed connecting seat, a base and two connecting springs are arranged in the fixed connecting seat, the base is fixed at the inner center position of the fixed connecting seat, the fixed ends of the two connecting springs are fixed on the base, and one adjusting sleeve is arranged at each end of the fixed connecting seat.
[0006] A adjusting sliding block, a clamping piece and an anchor plate are sequentially arranged in each adjusting sleeve, one end of the adjusting sliding block is fixedly connected with the movable end of the connecting spring, and the other end of the adjusting sliding block is in contact connection with the clamping piece.
[0007] Preferably, the outer end of the adjusting sleeve is provided with an axial limiting block, the axial limiting block is a hollow cylinder, one end is open, and the other end is provided with a baffle with a mounting hole.
[0008] Preferably, the opening end of the adjusting sleeve and the axial limiting block is connected through threads.
[0009] Preferably, the inner wall of the axial limiting block is provided with a fourth thread, and the outer end surface of the adjusting sleeve is provided with a third thread matched with the fourth thread.
[0010] Preferably, the outer end of the fixed connecting seat and the inner end of the adjusting sleeve are connected through threads.
[0011] Preferably, the surface of the fixed connecting seat is provided with a first thread, and the inner wall of the inner end of the adjusting sleeve is provided with a second thread matched with the first thread.
[0012] Preferably, the two adjusting sleeves are symmetrically distributed at the two ends of the fixed connecting seat.
[0013] Preferably, the adjusting slider is of a ring structure.
[0014] Preferably, the clamping piece is of a hollow frustum structure, and the side wall of the clamping piece is spliced by multiple pieces.
[0015] Preferably, the anchor plate is a column body with an anchor hole, and the anchor hole is of a frustum structure.
[0016] The beneficial effects of the present application are as follows:
[0017] The one end of the steel bar is fixed by the anchor plate and the clamping piece, and the axial movement of the steel bar is limited by the axial limiting block and the adjusting slider, so that the two steel bars can be quickly connected, the operation is simple, the production efficiency is improved, and the technical problem of difficult operation of the existing prestressed concrete frog tie bar connection is solved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 A schematic view of the prestressed concrete frog tie bar connecting mechanism is provided for the present application.
[0019] Fig. 2 A structure perspective view of the adjusting sleeve in the prestressed concrete frog tie bar connecting mechanism is provided for the present application.
[0020] Fig. 3 An exploded schematic view of the adjusting sleeve in the prestressed concrete frog tie bar connecting mechanism is provided for the present application.
[0021] In the figure: 1, fixed connecting seat; 2, connecting spring; 3, adjusting sleeve; 4, first thread; 5, third thread; 6, second thread; 7, adjusting slider; 8, anchor plate; 9, clamping piece; 10, axial limiting block; 11, fourth thread; 12, mounting hole. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0023] Reference Figs. 1-3The utility model relates to a prestressed concrete turnout sleeper reinforcing connection mechanism, including hollow cylindrical fixed connection seat 1, the inside of fixed connection seat 1 is provided with a base and two connecting springs 2, the base is fixed in the inside center position of fixed connection seat 1, the fixed end of two connecting springs 2 is fixed on the base, and the both ends of fixed connection seat 1 are provided with an adjusting sleeve 3 respectively, and each adjusting sleeve 3 can be connected with a reinforcing bar.
[0024] The inside of each adjusting sleeve 3 is sequentially provided with adjusting slider 7, clamping piece 9 and anchor plate 8, one end of adjusting slider 7 is fixedly connected with the movable end of connecting spring 2, and the other end of adjusting slider 7 is in contact with clamping piece 9. The movable end of connecting spring 2, adjusting slider 7, clamping piece 9 and anchor plate 8 can slide on the inner wall of fixed connection seat 1 and the inner wall of adjusting sleeve 3. The connecting spring 2 is in a compressed state, and when it is stretched, the adjusting slider 7 can be driven to slide outward.
[0025] The outer end of adjusting sleeve 3 is provided with axial limiting block 10, the axial limiting block 10 is hollow cylinder, one end is open, and one end is provided with baffle with mounting hole 12.
[0026] The open end of adjusting sleeve 3 and axial limiting block 10 is connected through threads.
[0027] The inner wall of axial limiting block 10 is provided with fourth thread 11, and the outer end surface of adjusting sleeve 3 is provided with third thread 5 matched with fourth thread 11.
[0028] The outer end of fixed connection seat 1 and the inner end of adjusting sleeve 3 are connected through threads.
[0029] The surface of fixed connection seat 1 is provided with first thread 4, and the inner end inner wall of adjusting sleeve 3 is provided with second thread 6 matched with first thread 4.
[0030] Two adjusting sleeves 3 are symmetrically distributed at the both ends of fixed connection seat 1.
[0031] The adjusting slider 7 is annular structure, the clamping piece 9 is hollow circular truncated cone structure, and the side wall of clamping piece 9 is spliced by multiple pieces. The anchor plate 8 is a column body with anchor hole, and the anchor hole is circular truncated cone structure.
[0032] Working principle:
[0033] In use, two steels are respectively inserted into the interiors of two adjusting sleeves 3 from the installation holes 12 of the axial limiting blocks 10 arranged on the two sides of the fixed connecting seat 1 (at this time, the two adjusting sleeves 3 have been installed on the two ends of the fixed connecting seat 1), the end portions of the steels pass through the anchor plates 8 and the clamping pieces 9, and are clamped on the anchorage devices composed of the anchor plates 8 and the clamping pieces 9 (the wedge-shaped structure between the clamping pieces 9 and the anchor holes on the anchor plates 8 enables the clamping pieces 9 to firmly clamp the end portions of the steels, so that the end portions are clamped in the anchor holes), the end portions of the steels drive the anchorage devices to slide along the inner walls of the adjusting sleeves 3 to the interiors, the anchorage devices push the adjusting sliding blocks 7 to slide to the interiors, and the connecting springs 2 want to drive the adjusting sliding blocks 7 to slide along the inner walls of the adjusting sleeves 3 to the outsides, the end portions of the steels are deeply inserted into a certain distance, the axial limiting blocks are screwed on the adjusting sleeves, at this time, the steels are loosened, the connecting springs push the adjusting sliding blocks 7 and the anchorage devices to slide along the inner walls of the adjusting sleeves 3 to the outsides, until the anchor plates in the anchorage devices are blocked by the axial limiting blocks, the connecting springs stop moving under the resistance, and the end portions of the steels are clamped by the anchorage devices and are also fixed in the device.
[0034] We can also adjust the length of the whole device by adjusting the threaded portions of the adjusting sleeves 3 and the fixed connecting seat 1.
[0035] The utility model discloses a kind of steel bar connecting methods between steel bars and steel bars, fixed-length cutting is carried out to steel bar in advance according to design requirement, the steel bar after cutting is placed in the model of making turnout pillow, two steels of the same position are respectively inserted into the two ends of the device, and connection operation is completed.The docking speed of the scheme is fast, improves work efficiency, can guarantee steel strength, reduce raw material consumption, and also reduce stress loss.
[0036] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can be equivalent to replace or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and it should be covered in the protection scope of the utility model.
Claims
1. A prestressed concrete switch tie reinforcement connection mechanism, characterized by: The utility model provides a fixing connecting seat (1) including hollow cylinder, the inside of fixing connecting seat (1) is provided with a base and two connecting springs (2), the base is fixed in the inside center position of fixing connecting seat (1), the fixed end of two connecting springs (2) is fixed on the base, and the both ends of fixing connecting seat (1) are provided with an adjusting sleeve (3) respectively. The inside of each adjusting sleeve (3) is provided with adjusting slider (7), clamping piece (9) and anchor plate (8) in proper order, one end of adjusting slider (7) is fixedly connected with the movable end of connecting spring (2), and the other end of adjusting slider (7) is contactly connected with clamping piece (9).
2. The reinforced connection mechanism for prestressed concrete switch tie, according to claim 1, characterized in that: The outer end of adjusting sleeve (3) is provided with axial limiting block (10), the axial limiting block (10) is hollow cylinder, one end is open, and one end is provided with baffle with mounting hole (12).
3. The reinforced connection mechanism for prestressed concrete switch tie, according to claim 2, characterized in that: The open end of adjusting sleeve (3) and axial limiting block (10) is connected through thread.
4. The reinforced connection mechanism for prestressed concrete switch tie, according to claim 3, characterized in that: The inner wall of axial limiting block (10) is provided with fourth thread (11), and the outer end surface of adjusting sleeve (3) is provided with third thread (5) matched with fourth thread (11).
5. The reinforced connection mechanism for prestressed concrete switch tie, according to claim 1, characterized in that: The outer end of fixing connecting seat (1) and the inner end of adjusting sleeve (3) are connected through thread.
6. The reinforced connection mechanism for prestressed concrete switch tie, according to claim 5, characterized in that: The surface of fixing connecting seat (1) is provided with first thread (4), and the inner end wall of adjusting sleeve (3) is provided with second thread (6) matched with first thread (4).
7. The reinforced connection mechanism for prestressed concrete switch tie, according to claim 1, characterized in that: Two adjusting sleeves (3) are symmetrically distributed at the both ends of fixing connecting seat (1).
8. The reinforced connection mechanism for prestressed concrete switch tie, according to claim 1, characterized in that: The adjusting slider (7) is annular structure.
9. The reinforced connection mechanism for prestressed concrete switch tie, according to claim 1, characterized in that: The clamping piece (9) is hollow circular truncated cone structure, and the side wall of clamping piece (9) is formed by splicing multiple pieces.
10. The reinforced concrete switch tie bar connecting mechanism according to claim 1, characterized in that: The anchor plate (8) is a column body with anchor hole, and the anchor hole is circular truncated cone structure.