Core penetrating rod mounting and dismounting machine

Abstract

The utility model relates to a cross-core rod mounting and dismounting machine, which belongs to the technical field of bridge construction, and comprises a cross-core rod mounting and dismounting device and a cross-core rod, the cross-core rod mounting and dismounting device comprises a mounting and dismounting motor, a mounting and dismounting screw rod, a bearing roller and a cross-core rod propelling assembly; the mounting and dismounting lead screw is in transmission connection with the mounting and dismounting motor, and a lead screw nut A is arranged on the cross-core rod pushing assembly and is in transmission connection with the mounting and dismounting lead screw; the front end of the cross-core rod is supported on the bearing roller, and the rear end of the cross-core rod is clamped and fixed on the cross-core rod propelling assembly; according to the utility model, the manual matching requirement can be greatly reduced, the safety risk in the construction process is reduced, the automatic mounting and dismounting operation of the core penetrating rod can be realized by combining the structure with a control system, the construction is rapid and high in precision, the manual requirement and the high falling risk are reduced, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge construction, and specifically relates to a core-pulling rod installation and disassembly machine. Background Art

[0002] At present, during the construction of the tie beams and capping beams of cylindrical piers and square piers in the lower structures of domestic highway beam bridges, the ground support method, the hoop method or the core-pulling rod method is mostly adopted. For the construction of high piers, the latter two methods are generally used, and for low piers with good foundation bearing capacity, the ground support method is generally adopted. In the construction using the core-pulling rod method, on the construction site, PVC pipes are usually embedded in two piers respectively as reserved holes for the steel rods to pass through, and a Bailey beam or an I-beam is placed above the steel rods as the main load-bearing structure. This method has the advantages of fast construction, simple technology, low cost investment and easy on-site control. The disadvantage is that during the process of manually cooperating with the crane to install and disassemble the support system, it is easy for construction workers to fall from a height, causing casualties and economic losses to the construction enterprise. Summary of the Invention

[0003] In order to overcome the problems existing in the background art, the utility model provides a core-pulling rod installation and disassembly machine, which can greatly reduce the manual cooperation requirements and the safety risks during the construction process of the core-pulling rod. Moreover, the structure of the utility model combined with the use of the control system can realize the automatic installation and disassembly operation of the core-pulling rod, with fast construction, high precision, reduced manual requirements and high fall risk, and improved construction efficiency.

[0004] To achieve the above object, the utility model is realized through the following technical solutions:

[0005] The core-pulling rod installation and disassembly machine includes a core-pulling rod installation and disassembly device and a core-pulling rod. The core-pulling rod installation and disassembly device includes an installation and disassembly motor, an installation and disassembly screw rod, a supporting roller and a core-pulling rod propulsion assembly; the installation and disassembly screw rod is in transmission connection with the installation and disassembly motor, and a screw rod nut A is arranged on the core-pulling rod propulsion assembly, and the screw rod nut A is in transmission connection with the installation and disassembly screw rod; the front end of the core-pulling rod is supported on the supporting roller, and the rear end is clamped on the core-pulling rod propulsion assembly.

[0006] Preferably, the core-pulling rod installation and disassembly device further includes a core-pulling rod support platform; two supporting roller support plates are arranged on the core-pulling rod support platform, and the supporting roller is axially connected with the two supporting roller support plates.

[0007] Preferably, both the installation and disassembly motor and the core-pulling rod propulsion assembly are supported on the core-pulling rod support platform; the core-pulling rod propulsion assembly includes a moving bottom plate provided with four roller A, a screw rod nut A and a core-pulling rod clamp; the screw rod nut A is fixed on the lower end surface of the moving bottom plate; the core-pulling rod clamp is arranged on the upper end surface of the moving bottom plate, and the rear end of the core-pulling rod is clamped on the core-pulling rod clamp.

[0008] Preferably, the through-bar clamping fixture includes a back plate and two clamping plates, and the two clamping plates are perpendicular to the back plate respectively; the rear end of the through-bar is clamped between the back plate and the two clamping plates; the distance between the two clamping plates is adjustable.

[0009] Preferably, the through-bar installing and disassembling machine further includes a hoop assembly; the hoop assembly includes two symmetrically arranged clamping arms and a clamping arm moving assembly for driving the two clamping arms to move towards or away from each other.

[0010] Preferably, a roller B is arranged on the inner side of the clamping arm, and the roller B is arranged along the inner ring of the clamping arm, and a roller motor is provided for one of the roller Bs.

[0011] Preferably, the clamping arm moving assembly includes a clamping arm support platform, a clamping arm motor, a clamping arm adjusting lead screw, two connecting members and two lead screw nuts B; one end of the clamping arm adjusting lead screw is in transmission connection with the clamping arm motor, and the other end is fixed on the clamping arm support platform through a lead screw base; two lead screw nuts B moving in opposite directions are arranged on the clamping arm lead screw; the two connecting members are respectively connected between the two lead screw nuts B and the two clamping arms.

[0012] Preferably, the connecting member includes a connecting straight plate A, a connecting straight plate B and a slider, and the connecting straight plate A is arranged parallel to the clamping arm support platform; the connecting straight plate B is connected between the lead screw nut B and the outer end of the connecting straight plate A, the slider is arranged at the inner end of the lead screw nut B, and the slider is slidably connected with the clamping arm support platform.

[0013] Preferably, the clamping arm support platform is a channel-shaped plate; the connecting straight plate A is arranged parallel to the outside of the clamping arm support platform; the slider is arranged on the inner side of the connecting straight plate A and is slidably connected with the side wall of the clamping arm support platform.

[0014] Preferably, the through-bar installing and disassembling machine further includes a control system; the control system includes a camera, a video display and a remote controller; the camera is communicatively connected with the video display; the remote controller is connected with the installing and disassembling motor, the clamping arm motor and the roller motor.

[0015] Advantages of the present utility model:

[0016] The through-bar installing and disassembling device of the present utility model can realize the automatic installation and removal of the through-bar, realize the automated operation of inserting and removing the through-bar, reduce the manual workload and improve the operation safety.

[0017] The hoop assembly of the present utility model can be clamped on the pier column during construction to provide support for the construction of the through-bar, and the structure of the hoop assembly can clamp pier columns with different shapes and sizes, having strong adaptability.

[0018] The utility model adjusts the centering of the through rod by arranging a roller B on the inner ring of the clamping arm of the hoop assembly and driving the hoop assembly to rotate along the pier column through the rotation of the roller B. Description of the Drawings

[0019] Figure 1 is a schematic structural diagram of Embodiment 1 of the utility model:

[0020] Figure 2 is a schematic structural diagram of Embodiments 2 and 3 of the utility model (state 1 of the clamping arm structure);

[0021] Figure 3 is a schematic structural diagram of Embodiments 2 and 3 of the utility model (state 2 of the clamping arm structure);

[0022] Figure 4 is a schematic structural diagram of Embodiments 2 and 3 of the utility model (clamping arm structure 2);

[0023] Figure 5 is a schematic diagram of the connection relationship between the slider and the clamping arm support platform;

[0024] Figure 6 is a schematic diagram of the connection relationship between the roller B and the roller motor;

[0025] Remark: Figures 2 to 4 The through rod is omitted to show other structures more clearly;

[0026] In the figures, 1-through rod, 2-through rod support platform, 3-installation and removal motor, 4-installation and removal lead screw, 5-moving bottom plate, 6-roller A, 7-supporting roller, 8-supporting roller support plate, 9-back plate, 10-clamping plate, 11-clamping arm, 12-clamping arm support platform, 13-clamping arm motor, 14-clamping arm adjusting lead screw, 15-lead screw base, 16-lead screw nut B, 17-roller B, 18-connecting straight plate A, 19-connecting straight plate B, 20-slider, 21-through rod clamp, 22-roller motor. Detailed Embodiment

[0027] In order to make the purpose, technical solutions and beneficial effects of the utility model clearer, the preferred embodiments of the utility model will be described in detail below in conjunction with the drawings for the convenience of those skilled in the art to understand.

[0028] In the description of the utility model, unless otherwise specified, the orientation or state relationship indicated by terms such as "front" and "rear" is the orientation or state relationship based on the orientation or state relationship shown in the drawings. It is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the utility model.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "provided with" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Embodiment 1

[0030] A device for installing and removing a through rod

[0031] Such as Figure 1 , the through rod installation and removal device includes a through rod 1, a through rod support platform 2, an installation and removal motor 3, an installation and removal lead screw 4, a supporting roller 7, and a through rod propulsion assembly.

[0032] The installation and removal motor 3, the supporting roller 7, and the through rod propulsion assembly are all provided on the through rod support platform 2. The through rod support platform 2 is a trough-shaped straight plate, and two supporting roller support plates 8 are provided at the front end of the through rod support platform 2. The supporting roller 7 is axially connected to the two supporting roller support plates 8.

[0033] The through rod propulsion assembly includes a moving bottom plate 5 provided with four rollers A6, a lead screw nut A, and a through rod clamping member. The installation and removal lead screw 4 is driven by an installation and removal motor 3 with forward and reverse functions, and the installation and removal lead screw 4 is connected to the lead screw nut A. The installation and removal motor 3 drives the installation and removal lead screw 4 to rotate forward and backward, thereby driving the forward or backward movement of the lead screw nut A. The forward or backward movement of the lead screw nut A drives the forward or backward movement of the moving bottom plate 5, and the four rollers A6 move linearly along the trough-shaped straight plate-like through rod support platform 2. The movement of the moving bottom plate 5 causes the through rod clamping member to push the through rod 1 forward or backward. Taking the forward movement (insertion into the reserved hole) of the through rod 1 as an example for explanation: The installation and removal motor 3 drives the installation and removal lead screw 4 to rotate. While the installation and removal lead screw 4 drives the lead screw nut A to move forward, the moving bottom plate 5 moves forward, and the through rod clamping member fixed on the moving bottom plate 5 pushes the tail end of the through rod 1 to move forward. During the forward movement, the supporting roller 7 rotates as the through rod 1 moves forward; when it is necessary to remove the through rod 1 from the reserved hole, the installation and removal motor 3 is rotated in the reverse direction, and then the through rod 1 with its tail end fixed by the through rod clamping member moves backward and is removed from the reserved hole. The supporting roller 7 is a concave arc roller with a low middle and high ends, and its main function is to support the front end of the through rod 1 and keep the through rod 1 moving in a straight line when moving forward or backward.

[0034] The through rod clamping member is any structure that can fix the through rod, and preferably a structure that can fix through rods of different thicknesses. Any structure that can fix the tail end of the through rod is within the protection scope of this application. Only one of the structures is listed in this embodiment:

[0035] The through-bar clamping fixture includes a back plate 9 and two clamping plates 10, both of which are arranged on the upper end surface of the moving bottom plate 5. The two clamping plates 10 are respectively vertically fixed on both sides of the back plate 9 to form a clamping opening, and the tail end of the through-bar is clamped through this clamping opening. The distance between the two clamping plates 10 is adjustable to meet the clamping of through-bars with different thicknesses. Any structure that can meet the clamping requirements of through-bars with different thicknesses is acceptable. For example, bolt holes are respectively opened on the two clamping plates 10, and two bolts respectively pass through the bolt holes on the clamping plates 10. By rotating the bolts, the two bolts clamp the through-bar 1; or both the clamping plates 10 and the back plate 9 are set as electromagnetic plates connected to a power source, and the through-bar 1 is attracted and tightened through electromagnetic action to fix the tail end of the through-bar 1; or a slideway is arranged on the through-bar support platform 2, and sliders matching the slideway are arranged at the bottom of the clamping plates 10, so that the two clamping plates 10 can slide along the slideway, and then the distance is adjusted. After adjustment, by setting a locking bolt between the two clamping plates 10 and other methods, the positions of the two clamping plates 10 after adjusting the distance are fixed, and through-bars 1 with different thicknesses are clamped. Embodiment 2

[0036] In this embodiment, a hoop assembly is added on the basis of Embodiment 1. The hoop assembly is clamped on the bridge pier column to provide a force support for the insertion and removal of the entire through-bar 1 from the reserved hole.

[0037] The hoop assembly includes two symmetrically arranged clamping arms 11 and a clamping arm moving assembly for driving the two clamping arms 11 to move towards or away from each other. The two clamping arms 11 are clamped on the bridge pier column (hereinafter referred to as the pier column), and the pier column is loosened or clamped through the clamping arm moving assembly.

[0038] The clamping arm moving assembly includes a clamping arm support platform 12, a clamping arm motor 13, a clamping arm adjusting lead screw 14, two connecting pieces, and two lead screw nuts B16. One end of the clamping arm adjusting lead screw 14 is in transmission connection with the clamping arm motor 13, and the other end is fixed on the clamping arm support platform 12 through a lead screw base 15. Two lead screw nuts B16 moving in opposite directions are arranged on the clamping arm adjusting lead screw 14; the two connecting pieces are respectively connected between the two lead screw nuts B16 and the two clamping arms 11. The clamping arm motor 13 drives the clamping arm adjusting lead screw 14 to rotate, and the rotation of the clamping arm adjusting lead screw 14 drives the two lead screw nuts B16 to approach (move towards each other) or move away (move away from each other), thereby driving the two clamping arms 11 to approach or move away, so that the two clamping arms 11 clamp the pier column or loosen from the pier column.

[0039] The main function of the connecting piece is to transfer the movement of the two lead screw nuts B16 to the two clamping arms 11, so that the two clamping arms 11 move synchronously with the two lead screw nuts B16 respectively. Any structure that can achieve the synchronous movement of the clamping arm 11 and the lead screw nut B16 is acceptable. The following is an example of a structure that can achieve this function in this embodiment:

[0040] The connecting piece includes a connecting straight plate A18, a connecting straight plate B19 and a slider 20. The clamp arm support platform 12 is a grooved plate. The connecting straight plate A18 is arranged in parallel on the outer side of the clamp arm support platform 12. The slider 20 is arranged on the inner side of the connecting straight plate A18 and is slidably connected to the side wall of the clamp arm support platform 12. The connecting straight plate B19 is connected between the lead screw nut B16 and the outer end of the connecting straight plate A18. The slider 20 is arranged at the inner end of the lead screw nut B16, and the slider 20 is slidably connected to the clamp arm support platform 12. The slider 20 is arranged on the connecting straight plate A18. The slider 20 and the connecting straight plate B19 act together to ensure the linear movement of the connecting straight plate A18.

[0041] The clamp arm support platform 12 and the through rod support platform 2 are vertically fixed, and the supporting roller 7 is arranged on one side close to the clamp arm support platform 12.

[0042] Use a crane to lift this embodiment. When the height of the through rod 1 is consistent with the reserved hole, start the clamp arm motor 13 to clamp the two clamp arms 11 on the pier column, and then start the installation and removal motor 3 to insert the through rod 1 into the reserved hole. When it is necessary to lift the clamp arm 11 away, run the clamp arm motor 13 in reverse, and the clamp arm 11 releases the pier column.

[0043] The structure of the clamp arm 11 matches the structure of the pier column and is suitable for clamping the pier column. The clamp arm structure of the present invention is not limited by the drawings, and any shape that can clamp the pier column is acceptable. For example Figure 2 and Figure 3 The clamp arm structure of is suitable for circular pier columns, Figure 4 The clamp arm structure of is suitable for elliptical or square pier columns. Embodiment 3

[0044] Based on Embodiment 2, in this embodiment, n rollers B17 are arranged on the inner side of the clamp arm 11, and one of the rollers B17 is equipped with a roller motor 22; the roller motor 22 drives the roller B17 connected to it to rotate, thereby driving the clamp arm 11 to rotate along the pier column. The rotation of the clamp arm 11 drives the clamp arm support platform 12 to rotate along the pier column, and further drives the through rod support platform 2 fixedly connected to the clamp arm support platform 12 to rotate along the pier column, realizing the centering adjustment of the through rod 1 and the reserved hole. When the through rod 1 is centered with the reserved hole after rotation, turn off the roller motor 22. Embodiment 4

[0045] Based on Embodiment 3, this embodiment adds a control system to realize the mechanized operation of the present invention, and the insertion or removal of the through rod from the reserved hole can be realized without personnel working at heights.

[0046] The control system includes a camera, a video display, and a remote controller. The camera transmits the captured video signal to the video display, and the remote controller is connected to the installation and removal motor 3, the clamping arm motor 13, and the roller motor 22. The installation position and quantity of the camera are not limited, as long as they can meet the requirement of monitoring the operation state of the present utility model, especially the height state and centering state of the through rod 1. The video signal captured by the camera is transmitted to the video display, and the operator observes the positions and operation states of each device through the video display, and controls the operations of the installation and removal motor 3, the clamping arm motor 13, and the roller motor 22 through the remote controller.

[0047] Operation demonstration of the control system: Lift the present utility model, and observe the lifting position through the video display. When lifting to the height where the through rod 1 is consistent with the reserved hole, control the clamping arm motor 13 through the remote controller to make the hoop assembly clamp the pier column, and finely adjust the height of the hoop assembly during the clamping process until the height of the through rod 1 is consistent with the reserved hole. Continue to operate the clamping arm motor 13 to make the clamping arm 11 clamp the pier column and no longer slide up and down. After the clamping arm 11 clamps the pier column, control the roller motor 22 through the remote controller to make the through rod 1 and the reserved hole centered. After centering, further operate the clamping arm motor 13 to make the hoop assembly tightly clamped and fixed with the pier column; then control the installation and removal motor 3 through the remote controller to insert the through rod 1 into the reserved hole. When it is necessary to remove the through rod 1, control the installation and removal motor 3 through the remote controller to rotate it in the reverse direction to remove the through rod 1 from the reserved hole, and then control the clamping arm motor 13 through the remote controller to release the clamping arm 11 from the pier column.

[0048] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present utility model and are not restrictive. Although the present utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in terms of form and details without departing from the scope defined by the claims of the present utility model.

Claims

1. A mandrel rod installation and removal machine, characterized in that: The invention comprises a mandrel rod installation and removal device and a mandrel rod (1), wherein the mandrel rod installation and removal device comprises a installation and removal motor (3), an installation and removal screw rod (4), a supporting roller (7) and a mandrel rod propulsion assembly; the installation and removal screw rod (4) is transmission-connected to the installation and removal motor (3); a screw nut A is provided on the mandrel rod propulsion assembly, and the screw nut A is transmission-connected to the installation and removal screw rod (4); the front end of the mandrel rod (1) is supported on the supporting roller (7), and the rear end is fixed on the mandrel rod propulsion assembly.

2. The mandrel rod installation and removal machine according to claim 1, characterized in that: The mandrel rod installation and removal device further comprises a mandrel rod support platform (2); two supporting roller support plates (8) are provided on the mandrel rod support platform (2), and the supporting roller (7) is axially connected to the two supporting roller support plates (8).

3. The mandrel installation and removal machine according to claim 2, characterized in that: The mounting motor (3) and the mandrel rod propulsion assembly are both arranged on the mandrel rod support platform (2); the mandrel rod propulsion assembly comprises a movable base plate (5) provided with four rollers A (6), a screw nut A and a mandrel rod clamp; the screw nut A is fixed to the lower end surface of the movable base plate (5); the mandrel rod clamp is arranged on the upper end surface of the movable base plate (5), and the rear end of the mandrel rod (1) is clamped on the mandrel rod clamp.

4. The mandrel rod installation and removal machine according to claim 3, characterized in that: The mandrel clamping member comprises a back plate (9) and two clamping plates (10), wherein the two clamping plates (10) are respectively perpendicular to the back plate (9); The rear end of the through-hole rod (1) is clamped between the back plate (9) and two clamping plates (10); the distance between the two clamping plates (10) is adjustable.

5. The mandrel installation and removal machine according to any one of claims 1 to 4, characterized in that: It also comprises a clamping hoop assembly; the clamping hoop assembly comprises two symmetrically arranged clamping arms (11) and a clamping arm moving assembly that drives the two clamping arms (11) to move towards or relative to each other.

6. The mandrel rod installation and removal machine according to claim 5, characterized in that: A roller B (17) is provided on the inner side of the clamp arm (11), and the roller B (17) is arranged along the inner ring of the clamp arm (11), wherein one of the rollers B (17) is provided with a roller motor (22).

7. The mandrel rod installation and removal machine according to claim 5, characterized in that: The clamp arm moving assembly comprises a clamp arm support platform (12), a clamp arm motor (13), a clamp arm adjustment screw (14), two connecting pieces and two screw nuts B (16); one end of the clamp arm adjustment screw (14) is transmission-connected to the clamp arm motor (13), and the other end is fixed to the clamp arm support platform (12) via a screw base (15); two screw nuts B (16) moving in opposite directions are arranged on the clamp arm adjustment screw (14); and the two connecting pieces are respectively connected between the two screw nuts B (16) and the two clamp arms (11).

8. The mandrel installation and removal machine according to claim 7, characterized in that: The connecting member comprises a connecting straight plate A (18), a connecting straight plate B (19) and a sliding block (20); the connecting straight plate A (18) is arranged in parallel with the clamp arm support platform (12); the connecting straight plate B (19) is connected between the screw nut B (16) and the outer end of the connecting straight plate A (18); the sliding block (20) is arranged at the inner end of the screw nut B (16); and the sliding block (20) is slidably connected to the clamp arm support platform (12).

9. The mandrel installation and removal machine according to claim 8, characterized in that: The clamp arm support platform (12) is a grooved plate, and the connecting straight plate A (18) is arranged in parallel on the outer side of the clamp arm support platform (12); the sliding block (20) is arranged on the inner side of the connecting straight plate A (18) and is slidably connected to the side wall of the clamp arm support platform (12).

10. The mandrel installation and removal machine according to claim 6, characterized in that: It also includes a control system; the control system includes a camera, a video display, and a remote controller; the camera is communicatively connected to the video display; and the remote controller is connected to the installation motor (3), the clamping arm motor (13), and the roller motor (22).

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