A walking frame of a pre-stress tensioning jack is provided

Abstract

The utility model discloses a walking frame of lifting prestressed tensioning jack belongs to building construction auxiliary device technical field, it includes pedestal, is provided with several pairs of gyro wheel at the lower bottom of pedestal, installs the facade support at the upper top end surface of pedestal, is provided with the horizontal top frame at the top of vertical support, installs the horizontal guide rail on the top frame, the horizontal guide rail is set along the length direction of top frame, is movably installed with vertical guide rail on the horizontal guide rail, still is provided with the support board for being cantilevered on the facade support, still is provided with the connecting ladder stand between the extension end of support board and pedestal, the utility model effectively solved the problem that the current practical overhead travelling crane or gantry crane etc.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary devices for building construction, specifically to a walking frame for lifting prestressed tensioning jacks. Background Technology

[0002] When producing precast box girders, steel strands need to be installed at the pre-reserved tensioning holes, and tensioning jacks are required in this process. The movement and positioning accuracy of these core pieces of equipment directly affects construction efficiency and quality. Currently, the industry commonly uses large lifting equipment such as overhead cranes or gantry cranes to suspend and move the tensioning jacks, but this method has significant drawbacks:

[0003] 1. High costs: Reliance on large lifting equipment leads to increased equipment rental and maintenance costs.

[0004] 2. Operational limitations: The stability of high-altitude suspended equipment is poor, requiring operators to repeatedly adjust their positions, and the lack of a fixed working platform poses significant safety hazards;

[0005] 3. Spatial interference: Traditional frame structures are bulky and easily interfere with beam end formwork, steel strands, etc. when moving, requiring frequent avoidance and delaying the construction period;

[0006] Therefore, there is an urgent need for a mobile scaffold that combines mobility, stability, and ease of operation to optimize the construction process and improve safety. Utility Model Content

[0007] The technical problem to be solved by this utility model is to provide a traveling frame for lifting prestressed tensioning jacks, so as to solve the problems of high cost, obvious interference with box girders and other structures, and many operational restrictions that exist in the current use of large structures such as overhead cranes or gantry cranes.

[0008] To solve the above problems, this utility model provides the following technical solution:

[0009] A traveling frame for lifting prestressed tensioning jacks includes a platform; several pairs of rollers are provided at the bottom of the platform; a vertical support is installed on the top surface of the platform; a horizontal top frame is provided on the top of the vertical support; a transverse guide rail is installed on the top frame; the transverse guide rail is arranged along the length of the top frame; a longitudinal guide rail is movably installed on the transverse guide rail; a cantilevered support plate is also provided on the vertical support; and a connecting ladder is provided between the extended end of the support plate and the platform.

[0010] Preferably, there are no fewer than two facade supports, with two facade supports respectively located at the left and right ends of the platform; an auxiliary support is also provided in the middle of the platform.

[0011] Furthermore, a single facade support includes a pair of uprights; the spacing between the uprights is consistent with the width of the pedestal; several horizontal connecting rods are provided between the two uprights, and an X-shaped cross connecting rod is also provided in the middle of the two uprights; one end of the support plate is attached to the end of the uprights and the cross connecting rod; the width of the auxiliary support is smaller than the width of the pedestal.

[0012] Preferably, the top frame is a grid-like frame structure; the length and width of the top frame are greater than the length and width of the base; a cantilevered extension rod is provided at the top of the vertical support; a reinforcing rod is also provided between the extension rod and the vertical support; and a protective baffle is installed on the top side of the top frame.

[0013] Preferably, there are at least two horizontal guide rails; the horizontal guide rails are installed between the top frame and the facade support, and are set across the facade support.

[0014] Preferably, both the horizontal and vertical guide rails are straight rail structures made of I-beams; a pair of ear plates are provided on the top of the vertical guide rail; a movable joint is installed at the ear plate; the top of the movable joint is movably installed on the horizontal guide rail.

[0015] Preferably, a back support is also provided on the rear side of the pedestal; the end of the back support is connected to the end face of the vertical support; a back plate is installed on the back support; a window is opened at the upper middle part of the back plate; and a hook for hanging operating tools is placed at the window.

[0016] Preferably, the height of the facade support does not exceed 4m; the installation height of the support plate does not exceed 1.5m.

[0017] The beneficial effects of this utility model are mainly reflected in the following aspects:

[0018] 1. Through the combined design of bottom rollers and guide rail system, the frame can move autonomously, eliminating dependence on overhead cranes / gantry cranes and reducing equipment rental and maintenance costs;

[0019] 2. The structure of horizontal and vertical guide rails is adopted to improve the positioning accuracy of the equipment and increase work efficiency;

[0020] 3. The overall structure is stable and can effectively prevent structural shaking during operation;

[0021] 4. A two-story working platform is formed by using cantilever support plates and connecting ladders to reduce the risks of working at height;

[0022] 5. By setting up protective barriers, it is possible to work in the rain without getting wet, and avoid sunburn when exposed to direct sunlight, thus meeting the working needs in different environments. Attached Figure Description

[0023] Figure 1This is a schematic diagram of the structure of the present invention in an embodiment;

[0024] Figure 2 yes Figure 1 Side view of the device;

[0025] Figure 3 This is a schematic diagram of the installation of the pedestal, facade support, auxiliary support and back support in this embodiment;

[0026] Figure 4 This is a three-dimensional disassembly diagram of the top frame, horizontal guide rail, and vertical guide rail in this embodiment;

[0027] Explanation of reference numerals in the attached drawings: 1. Base, 2. Roller, 3. Facade support, 4. Top frame, 5. Horizontal guide rail, 6. Longitudinal guide rail, 7. Support plate, 8. Connecting ladder, 9. Auxiliary upright, 10. Protective baffle, 11. Ear plate, 12. Back support, 13. Back plate, 14. Hook, 15. Movable joint, 31. Upright pole, 32. Horizontal connecting rod, 33. Cross connecting rod, 34. Extension rod, 35. Reinforcing rod. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and specific embodiments: Example

[0029] Reference Figure 1 This embodiment provides a traveling frame for lifting prestressed tensioning jacks; it includes a base 1; several pairs of rollers 2 are provided at the bottom of the base 1; a vertical support 3 is installed on the top surface of the base 1; a horizontal top frame 4 is provided on the top of the vertical support 3; a transverse guide rail 5 is installed on the top frame 4; the transverse guide rail 5 is arranged along the length direction of the top frame 4; a longitudinal guide rail 6 is movably installed on the transverse guide rail 5; a cantilevered support plate 7 is also provided on the vertical support 3; a connecting ladder 8 is also provided between the extended end of the support plate 7 and the base 1. In this embodiment, a motor is provided in the inner cavity of the base, and the motor is connected to the rollers through a reducer; a turn signal indicating the direction of roller travel is also provided on the side of the base.

[0030] There are two facade supports 3, and the two facade supports 3 are respectively set at the left and right ends of the platform 1; an auxiliary support 9 is also set in the middle of the platform 1.

[0031] Each facade support 3 includes a pair of uprights 31; the spacing between the uprights 31 is the same as the width of the base 1; several horizontal connecting rods 32 are provided between the two uprights 31, and an X-shaped cross connecting rod 33 is provided in the middle of the two uprights 31; one end of the support plate 7 is attached to the end of the uprights 31 and the cross connecting rod 33; the width of the auxiliary support 9 is smaller than the width of the base 1.

[0032] The top frame 4 is a grid-like frame structure; the length and width of the top frame 4 are greater than the length and width of the base 1; an extension rod 34 in the shape of a cantilever is provided on the top of the vertical support 3; a reinforcing rod 35 is also provided between the extension rod 34 and the vertical support 3; a protective baffle 10 is installed on the top side of the top frame 4.

[0033] There are two horizontal guide rails 5; the horizontal guide rails 5 are installed between the top frame 4 and the vertical support 3, and are set across the vertical support 3. One horizontal guide rail is installed on the extension rod; one end of the reinforcing rod is set at the end of a horizontal connecting rod; the horizontal guide rail is cut off in the middle by the auxiliary upright located in the middle of the platform, and a longitudinal guide rail is set on both sides of the cut horizontal guide rail.

[0034] Both the horizontal guide rail 5 and the vertical guide rail 6 are straight rail structures made of I-beams; a pair of ear plates 11 are provided on the top of the vertical guide rail 6; a movable joint 15 is installed at the ear plate 11; the top of the movable joint 15 is movably installed on the horizontal guide rail 5.

[0035] A back support 12 is also provided on the rear side of the pedestal 1; the end of the back support 12 is connected to the end face of the vertical support 3; a back plate 13 is installed on the back support 12; a window is opened at the upper middle part of the back plate 13; a hook 14 for hanging operating tools is placed at the window.

[0036] The height of the facade support 3 shall not exceed 4m; the installation height of the support plate 7 shall not exceed 1.5m.

[0037] In this embodiment, a manual hoist is movably mounted on the longitudinal guide rail 6; this manual hoist is used to lift the tensioning jack or the tensioning host. When using this traveling frame, it is only necessary to control the rollers with the motor to drive the platform to the precast box girder to be operated, and adjust the position of the horizontal and longitudinal guide rails so that the manual hoist lifts the tensioning jack or the tensioning host to the corresponding height position, and then the operator can operate it.

Claims

1. A traveling frame for lifting prestressed tensioning jacks, characterized in that: It includes a base (1); several pairs of rollers (2) are provided at the bottom of the base (1); a vertical support (3) is installed on the top surface of the base (1); a horizontal top frame (4) is provided on the top of the vertical support (3); a horizontal guide rail (5) is installed on the top frame (4); the horizontal guide rail (5) is arranged along the length of the top frame (4); a longitudinal guide rail (6) is movably installed on the horizontal guide rail (5); a cantilevered support plate (7) is also provided on the vertical support (3); a connecting ladder (8) is also provided between the extended end of the support plate (7) and the base (1).

2. The traveling frame for lifting prestressed tensioning jacks according to claim 1, characterized in that: There are no fewer than two facade supports (3), and two facade supports (3) are respectively set at the left and right ends of the platform (1); an auxiliary support (9) is also set in the middle of the platform (1).

3. The traveling frame for lifting prestressed tensioning jacks according to claim 2, characterized in that: A single facade support (3) includes a pair of uprights (31); the spacing between the uprights (31) is the same as the width of the base (1); several horizontal connecting rods (32) are provided between the two uprights (31), and an X-shaped cross connecting rod (33) is provided in the middle of the two uprights (31); one end of the support plate (7) is attached to the end side of the uprights (31) and the cross connecting rod (33); the width of the auxiliary support (9) is smaller than the width of the base (1).

4. The traveling frame for lifting prestressed tensioning jacks according to claim 1, characterized in that: The top frame (4) is a grid-like frame structure; the length and width of the top frame (4) are greater than the length and width of the base (1); an extension rod (34) in the shape of a cantilever is provided on the top of the vertical support (3); a reinforcing rod (35) is also provided between the extension rod (34) and the vertical support (3); a protective baffle (10) is installed on the top side of the top frame (4).

5. The traveling frame for lifting prestressed tensioning jacks according to claim 1, characterized in that: There are at least two horizontal guide rails (5); the horizontal guide rails (5) are installed between the top frame (4) and the facade support (3) and are set across the facade support (3).

6. The traveling frame for lifting prestressed tensioning jacks according to claim 1, characterized in that: Both the horizontal guide rail (5) and the vertical guide rail (6) are straight rail structures made of I-beams; a pair of ear plates (11) are provided on the top of the vertical guide rail (6); a movable joint (15) is installed at the ear plate (11); the top of the movable joint (15) is movably installed on the horizontal guide rail (5).

7. The traveling frame for lifting prestressed tensioning jacks according to claim 1, characterized in that: A back support (12) is also provided on the rear side of the pedestal (1); the end side of the back support (12) is connected to the end face of the vertical support (3); a back plate (13) is installed on the back support (12); a window is opened at the upper middle part of the back plate (13); a hook (14) for hanging operating tools is placed at the window.

8. The traveling frame for lifting prestressed tensioning jacks according to claim 1, characterized in that: The height of the facade support (3) shall not exceed 4m; the installation height of the support plate (7) shall not exceed 1.5m.

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