Dismounting device for box culvert formwork

Abstract

The utility model discloses a dismantling device for a box culvert formwork. Comprising an operating rod, at least one dismantling assembly is arranged on the operating rod, each dismantling assembly comprises a dismantling main rod and a stress rod, the axial direction of the dismantling main rod is perpendicular to the axial direction of the operating rod, one end of the dismantling main rod is provided with a connecting part used for being connected to a box culvert formwork, and the other end of the dismantling main rod is provided with a first limiting block; one end of the stress rod is connected with the operating rod, the other end of the stress rod is connected with a movable seat, the movable seat is slidably connected to the dismantling main rod, and the operating rod is further connected with a driving unit used for driving the movable seat on the stress rod to be away from or collide with the first limiting block. The stress rod is connected to the dismantling main rod in a sliding mode through the movable seat, under driving of the driving unit, the movable seat can impact the first limiting block in the direction away from the box culvert formwork, then outward pulling force is applied to the box culvert formwork, the operation is repeated for multiple times till the box culvert formwork is dismantled, formwork dismantling efficiency is improved, construction potential safety hazards are reduced, and construction safety is improved. And concrete corners can be prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of construction engineering box culvert construction technology especially relates to a dismantling device for box culvert formwork. BACKGROUND

[0002] With the large-scale increase of municipal construction projects, rainwater box culvert construction is also increasing, and rainwater box culvert is generally formed by pouring twice, the first time pouring the bottom plate, and the second time pouring the side plate and the top plate. For municipal engineering, the construction period target is the key to construction, and it is necessary to speed up the construction progress of the box culvert, including the removal of the box culvert inner form. The existing rainwater box culvert removal is mostly manual removal, and the operating personnel enters the box culvert interior to remove the inside side form and the top form with a crowbar, which not only has the risk of damaging the concrete box culvert corners, but also has certain safety hazards, and the removal of the formwork is very inconvenient, which seriously affects the efficiency and construction safety of the box culvert construction. UTILITY MODEL CONTENTS

[0003] In order to solve the above problems, the utility model provides a dismantling device for box culvert formwork, which comprises a control rod, at least one set of dismantling assemblies are arranged on the control rod, each dismantling assembly comprises a dismantling main rod and a force rod, the axial direction of the dismantling main rod is perpendicular to the axial direction of the control rod, one end of the dismantling main rod is provided with a connecting part for connecting to the box culvert formwork, and the other end is provided with a first limiting block, one end of the force rod is connected with the control rod, and the other end is connected with a movable seat, the movable seat is slidably connected to the dismantling main rod, and the control rod is further connected with a driving unit for driving the movable seat on the force rod to move away from or impact the first limiting block.

[0004] Further, the number of dismantling assemblies is multiple sets, and the multiple sets of dismantling assemblies are arranged in sequence along the axial direction of the control rod.

[0005] Further, the spacing between two adjacent dismantling assemblies is adjustable.

[0006] Further, the connecting part of the dismantling main rod is a hook for connecting to the force ring of the box culvert formwork.

[0007] Further, the hook and the dismantling main rod are an integral forming structure.

[0008] Further, the dismantling main rod is further provided with a second limiting block, the second limiting block is arranged between the connecting part and the first limiting block, the movable seat is arranged between the first limiting block and the second limiting block, and the spacing between the first limiting block and the second limiting block is greater than the width of the movable seat.

[0009] Further, the movable seat is a limiting nut, the limiting nut is sleeved on the dismantling main rod, and the limiting nut and the dismantling main rod are gap matched.

[0010] Further, the demolition main rod, the force rod and the operating rod are steel pipe rod pieces.

[0011] Further, the first limiting block is welded with the demolition main rod.

[0012] Further, the driving unit is a gas cylinder or a hydraulic rod.

[0013] Compared with the prior art, the demolition device has the following beneficial effects:

[0014] The demolition device for box culvert formwork is simple in structure, convenient to assemble, and has the following beneficial effects. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0016] Figure 1 The structural schematic view of the demolition device provided by the present application acting on the box culvert formwork is shown in the figure.

[0017] Figure 2 The top view of the demolition device provided by the present application acting on the box culvert formwork is shown in the figure.

[0018] Figure 3 The structural schematic view of the demolition device provided by the present application in use is shown in the figure.

[0019] 1 - operating rod; 2 - demolition main rod; 21 - hook; 22 - first limiting block; 23 - second limiting block; 3 - force rod; 31 - movable seat; 4 - box culvert formwork; 41 - force pull ring; 5 - pull rod. DETAILED DESCRIPTION

[0020] 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, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort fall within the scope of the present application. In the drawings, for the sake of clear visibility, the size and relative size of a part may be exaggerated.

[0021] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connection", "connection" should be interpreted broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements, and a person of ordinary skill in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0022] In the description of the present application, the terms "upper", "lower", "left", "right", "front", "back", "center", "horizontal", "vertical", "top", "bottom", "inner", "outer" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, which is only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the present application.

[0023] In addition, in the description of the present application, the terms "first", "second" are only used to distinguish in description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the features limited by "first", "second" can explicitly or implicitly include one or more features.

[0024] As shown in the description Figure 1 and 2 The present application provides a kind of for box culvert template's dismantling device, including joystick 1, at least one set of dismantling component is equipped on the joystick 1, each described dismantling component includes dismantling main rod 2 and stress rod 3, the axial direction of the dismantling main rod 2 is perpendicular to the axial direction of the joystick 1, one end of the dismantling main rod 2 is equipped with the connecting portion for being connected to box culvert template 4, the other end is equipped with first limit block 22, one end of the stress rod 3 is connected with the joystick 1, the other end is connected with movable seat 31, the movable seat 31 is slidably connected on the dismantling main rod 2, the joystick 1 is also connected with the drive unit for driving the movable seat 31 away from or impact first limit block 22.

[0025] Specifically, as shown in the accompanying drawings of the specification Figure 3 The box culvert template 4 includes inner and outer side templates, which can be made of wood or steel. The box culvert template 4 is provided with a force ring 41. During box culvert pouring, the side plate and top plate steel bars are bound, the inner and outer side templates are installed and fixed by a pull rod 5, the concrete is poured, and curing is performed to the design requirements. Finally, the template is removed. The fastener of the pull rod 5 is removed, the main rod 2 is connected to the box culvert template 4, the axial direction of the main rod 2 is perpendicular to the surface of the box culvert template 4, the axial direction of the operating rod 1 is perpendicular to the axial direction of the main rod 2 and parallel to the length direction of the box culvert template 4, the first limiting block 22 is arranged at one end of the main rod 2 away from the connecting portion, and when the driving unit acts on the operating rod 1, the movable seat 31 can slide back and forth on the main rod 2, and the movable seat 31 can reciprocate and hit the first limiting block 22 to apply an outward pulling force to the box culvert template 4 (in this embodiment, the outward side refers to the side away from the concrete), so that the box culvert template 4 can gradually separate from the concrete, the removal of the box culvert template 4 is completed, the removal efficiency is improved, the concrete is not damaged, and the construction safety is ensured.

[0026] Of course, in actual use, the removal device can be installed on the box culvert template 4 first, and then the box culvert template 4 is installed, and the concrete is poured. The box culvert template 4 can be reused, and the removal device on the box culvert template 4 does not need to be repeatedly installed and removed, which can save construction time.

[0027] Preferably, the axial direction of the force rod 3 is parallel to the axial direction of the main rod 2, and when the operating rod 1 moves in a direction perpendicular to the box culvert template 4, the force rod 3 can move along the axial direction of the main rod 2, and the movable seat 31 can move on the main rod 2 to hit the first limiting block 22. Multiple impacts can slowly separate the box culvert template 4 from the concrete, avoiding excessive pulling force and damage to the concrete.

[0028] In use, supports can be arranged at both ends of the operating rod 1 to support the operating rod 1, and the height of the support is the same as the height of the connection position of the main rod 2 and the box culvert template 4; or the driving unit is arranged on the support, and the height of the output end of the driving unit is the same as the height of the connection position of the main rod 2 and the box culvert template 4.

[0029] In an optimized embodiment, the number of removal assemblies is multiple groups, and the multiple groups of removal assemblies are arranged in sequence and at intervals along the axial direction of the operating rod 1. According to the length of the box culvert template 4, an appropriate number of removal assemblies are arranged at intervals on the operating rod 1, which can apply uniform pulling force to the box culvert template 4 and improve the removal efficiency. In use, multiple main rods 2 are connected to the box culvert template 4, multiple force rods 3 are connected in sequence and at intervals along the axial direction of the operating rod 1, and the force rods 3 are connected in one-to-one correspondence with the main rods 2.

[0030] Of course, according to the height of the box culvert template 4, a plurality of sets of demolition devices can be arranged in the vertical direction to exert pulling force on the box culvert template 4 at multiple points to improve the demolition efficiency. As one of the embodiments, the control rods 1 connected on the same box culvert template 4 can be connected into a whole through a connecting rod, and then the driving unit exerts force on the connecting rod to demolish the box culvert template.

[0031] In an optimized embodiment, when a plurality of sets of demolition assemblies are arranged on the control rod 1, the spacing between the adjacent two demolition assemblies can be adjusted to meet the use of different box culvert templates 4, and the demolition assemblies are arranged one by one corresponding to the stress loops 41 on the box culvert template 4. Specifically, the end of the stress rod 3 connected with the control rod 1 is provided with a sleeve ring, the stress rod 3 is sleeved on the control rod 1 through the sleeve ring, and the sleeve ring can slide on the control rod 1 to adjust the spacing between the adjacent stress rods 3.

[0032] In an optimized embodiment, the connecting part of the demolition main rod 2 is a hook 21 for connecting the stress loop on the box culvert template 4. The box culvert template 4 is provided with a stress loop 41, the hook 21 is arranged towards the stress loop 41 and hooked on the stress loop 41, and the installation and disassembly are convenient.

[0033] In an optimized embodiment, the hook 21 and the demolition main rod 2 are an integral structure; in order to ensure the strength of the demolition main rod 2, the demolition main rod 2 can be processed from round steel, the front end is provided with the hook 21, and the rear end is provided with the first limiting block 22.

[0034] In an optimized embodiment, the demolition main rod 2 is further provided with a second limiting block 23, the second limiting block 23 is arranged between the hook 21 and the first limiting block 22, the movable seat 31 is arranged between the first limiting block 22 and the second limiting block 23, and the spacing between the first limiting block 22 and the second limiting block 23 is greater than the width of the movable seat 31. The movable seat 31 moves between the first limiting block 22 and the second limiting block 23, and the spacing between the first limiting block 22 and the second limiting block 23 is 10-15 cm.

[0035] In an optimized embodiment, the movable seat 31 is a limiting nut, the limiting nut is sleeved on the demolition main rod 2, and the limiting nut is clearance-fitted with the demolition main rod 2. The axial direction of the stress rod 3 is parallel to the axial direction of the demolition main rod 2, the limiting nut is welded on one end of the stress rod 3, and the control rod 1 is connected to the other end of the stress rod 3.

[0036] In an optimized embodiment, the stress rod 3 is a round steel rod processed from round steel. The control rod 1 can be a common light steel pipe.

[0037] Optimized implementation, the first limit block 22 and the second limit block 23 are welded on the demolition main rod 2.

[0038] Optimized implementation, the driving unit is a cylinder or a hydraulic rod, the output end of the driving unit is connected with the operating rod 1, the driving unit is started, and the operating rod 1 is quickly moved away from the box culvert template 4, the movable seat 31 and the first limit block 22 collide with each other, and the cycle is repeated for several times until the box culvert template 4 is separated from the concrete, the template removal task is completed, time and labor are saved, a small pulling force can be applied to the operating rod, the box culvert template can be removed through multiple cycle impacts, the box culvert template can slowly separate from the concrete, and damage to the concrete caused by excessive force is avoided; the length of the operating rod 1 is greater than the length of the box culvert template 4, when the demolition operation is performed, the time for the operating personnel to enter the box culvert to perform the template removal operation is reduced, and the construction safety hazard is reduced. Of course, the driving unit can also adopt a lead screw, an electric linear module and the like.

[0039] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0040] Those skilled in the art should understand that the utility model can be realized in many other specific forms without departing from the spirit and scope of the utility model. Although the embodiments of the utility model have been described, it should be understood that the utility model should not be limited to this embodiment, and those skilled in the art can make changes and modifications within the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A demolition device for box culvert forms comprising a joystick characterised in that, The operating rod is provided with at least one set of dismantling assemblies, each of the dismantling assemblies comprises a dismantling main rod and a force rod, the axial direction of the dismantling main rod is perpendicular to the axial direction of the operating rod, one end of the dismantling main rod is provided with a connecting part for connecting to a box culvert template, the other end is provided with a first limiting block, one end of the force rod is connected to the operating rod, the other end is connected with a movable seat, the movable seat is slidingly connected to the dismantling main rod, and the operating rod is further connected with a driving unit for driving the movable seat on the force rod to move away from or impact the first limiting block.

2. The box culvert form removal apparatus of claim 1, wherein, The number of the dismantling assemblies is multiple sets, and the multiple sets of dismantling assemblies are arranged in sequence along the axial direction of the operating rod.

3. The box culvert form removal apparatus of claim 2, wherein, The spacing between two adjacent dismantling assemblies is adjustable.

4. The box culvert form removal apparatus of claim 1, wherein, The connecting part of the dismantling main rod is a hook for connecting to a force ring of a box culvert template.

5. The box culvert form removal apparatus of claim 4, wherein, The hook and the dismantling main rod are in an integral forming structure.

6. The box culvert form removal apparatus of claim 1, wherein, The dismantling main rod is further provided with a second limiting block, the second limiting block is arranged between the connecting part and the first limiting block, the movable seat is arranged between the first limiting block and the second limiting block, and the spacing between the first limiting block and the second limiting block is greater than the width of the movable seat.

7. The box culvert form removal apparatus of claim 1, wherein, The movable seat is a limiting nut, the limiting nut is sleeved on the dismantling main rod, and the limiting nut and the dismantling main rod are in clearance fit.

8. The box culvert form removal apparatus of claim 1, wherein, The dismantling main rod, the force rod and the operating rod are steel pipe rods.

9. The box culvert form removal apparatus of claim 1, wherein, The first limiting block is welded to the dismantling main rod.

10. The box culvert form removal apparatus of claim 1, wherein, The driving unit is a gas cylinder or a hydraulic rod.

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