Auxiliary tool for slope protection and guniting of bridge pier column

Abstract

The utility model discloses an auxiliary tool for slope protection and guniting of a bridge pier column, belongs to the field of side slope shotcrete and aims to improve shotcrete efficiency. Comprising a backpack support, at least two pairs of swing arms are arranged on one side of the backpack support, the two pairs of swing arms are arranged front and back, one end of each pair of swing arm is connected to the backpack support, and a spray pipe fixing head is fixed to the other end of each pair of swing arm. Through the arrangement of the backpack type support and the arrangement of the spray pipe fixing head on the backpack type support, the upper half body of a constructor carries the auxiliary tool for bridge pier stud slope protection guniting, meanwhile, the guniting pipeline is driven to change the construction position, and compared with traditional double-hand dragging, the operation is simpler and easier, the labor intensity is reduced, and the construction efficiency is improved. And when a constructor changes the position, the guniting pipeline is driven to change the construction position in real time, the position change is more convenient, the position change is faster, and the shotcreting and anchoring efficiency is improved. And the guniting pipeline is fixed through the two spraying pipe fixing heads, and compared with a traditional handheld mode, the stability is more reliable, and the safety is improved.

Description

Technical Field

[0001] The utility model belongs to the field of slope spray anchors, in particular to an auxiliary tool for bridge pier column slope protection spraying. Background Art

[0002] With the rapid development of bridge construction, there are more and more bridges in mountainous areas, and a large number of bridge piers close to rock and soil areas have appeared. Figure 5 As shown, one side of the bridge pier 5 is adjacent to the slope 4. These bridges have the following risks: during the construction period, the slope is stable, but during use, due to geological disasters or other reasons, the slope instability such as landslides occurs, and even the landslide rocks break the bridge piers. Therefore, for the bridge to be built, the slope needs to be sprayed and anchored before the construction of the bridge piers. For the built bridges, it is necessary to check the slopes at the piers, and spray anchor protection is required for the unprotected slopes or slopes with signs of instability. At present, the slope spraying anchor method is mainly for the construction personnel to hold the spraying pipe to reinforce the slope. However, for the slopes of the built bridges, due to the influence of the piers, many positions need to adjust the position of the spraying port, and to ensure the overall spraying effect and construction quality, the number of times the nozzle is adjusted is relatively large, and the construction position needs to be changed frequently. As a result, when the construction personnel hold the spraying pipe to change the construction position, on the one hand, the construction personnel need to change the standing position, and on the other hand, the spraying pipe needs to be pulled, resulting in high labor intensity and low construction efficiency for the construction personnel. Utility Model Content

[0003] The utility model aims to provide an auxiliary tool for bridge pier column slope protection spraying to improve the efficiency of spraying anchor.

[0004] The technical solution adopted by the utility model is: an auxiliary tool for bridge pier slope spraying, including a backpack bracket, at least two swing arms are arranged on one side of the backpack bracket, the two swing arms are arranged front and back, one end of each swing arm is connected to the backpack bracket, and the other end is fixed with a nozzle fixing head.

[0005] Furthermore, the nozzle fixing head includes an annular collar, and a plurality of fixing screws are arranged circumferentially around the collar. The fixing screws are threadedly connected to the collar along the radial direction of the collar, and the positioning ends extend into the inner hole of the collar;

[0006] When in use, the two collars of the two swing arms are coaxial.

[0007] Furthermore, a handle is provided at one end of the fastening screw located outside the collar.

[0008] Furthermore, the swing arm includes a movable arm and a support rod; one end of the movable arm is hinged to the backpack bracket, and the other end is connected to the nozzle fixing head; one end of the support rod is hinged to the backpack bracket, and the other end is detachably connected to the movable arm.

[0009] Furthermore, a protrusion is provided on the swing arm, and the support rod is detachably connected to the protrusion.

[0010] Furthermore, there are multiple protrusions, and the multiple protrusions are arranged in a row along the length direction of the swing arm.

[0011] Furthermore, the protrusion is cylindrical, and one end of the support rod connected to the protrusion is a semicircular slot adapted to the protrusion, and the protrusion is inserted into the slot.

[0012] Furthermore, the backpack-type bracket includes two bracket bodies arranged opposite to each other front and back, and the bracket bodies include two vertical poles, a bottom cross bar connected to the bottom of the vertical poles, and a middle cross bar connected to the middle of the vertical poles; the left and right sides of the two bracket bodies are respectively provided with upwardly arched arc-shaped shoulder rods, and the two ends of the shoulder rods are respectively connected to the top of the vertical poles of the corresponding bracket bodies.

[0013] Furthermore, fixing rods arched outwards are respectively arranged at the bottom of the left and right sides of the backpack bracket, one end of the fixing rod is hinged to the vertical rod of one of the auxiliary bracket bodies, and the other end is detachably connected to the vertical rod of the other auxiliary bracket body by a latch.

[0014] The beneficial effects of the utility model are as follows: the auxiliary tool for bridge pier column slope spraying disclosed by the utility model, through the setting of a backpack bracket and the setting of a nozzle fixing head on the backpack bracket, enables the construction personnel to carry the auxiliary tool for bridge pier column slope spraying on their upper body, and at the same time drive the spraying pipe to change the construction position. Compared with the traditional method of dragging with both hands, the operation is simpler and easier, the labor intensity is reduced, and when the construction personnel change their positions, the spraying pipe is driven to change the construction position in real time, the position change is more convenient, the better position is faster, and the spraying efficiency is improved. And by fixing the spraying pipe with two nozzle fixing heads, compared with the traditional hand-held method, the stability is more reliable and the safety is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the auxiliary tool for bridge pier slope protection spraying disclosed in the utility model;

[0016] Figure 2 for Figure 1 A local enlarged view of point A;

[0017] Figure 3 for Figure 1 A partial enlarged view of point B;

[0018] Figure 4 A schematic diagram of fixing a shotcrete pipeline using the utility model;

[0019] Figure 5Schematic diagram of the location of bridge piers and slopes.

[0020] In the figure, there are a backpack bracket 1, a bracket body 11, a vertical pole 11A, a bottom cross bar 11B, a middle cross bar 11C, a shoulder rod 12, a fixing rod 13, a latch 14, a swing arm 2, a movable arm 21, a support rod 22, a protrusion 23, a slot 24, a nozzle fixing head 3, a collar 31, a fastening screw 32, a handle 33, a spraying pipe 4, a slope 5, and a bridge pier 6. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0022] In the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "back", "left", "right", "top", "bottom" and the like indicate directions or positional relationships based on the attached Figure 1 The orientation or position relationship shown is only for the convenience of describing the present invention, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] Auxiliary tools for bridge pier slope spraying, such as Figure 1 or Figure 4 As shown, it includes a backpack bracket 1, and at least two swing arms 2 are arranged on one side of the backpack bracket 1. The two swing arms 2 are arranged front and back, one end of each swing arm 2 is connected to the backpack bracket 1, and a nozzle fixing head 3 is fixed to the other end.

[0024] The utility model discloses an auxiliary tool for bridge pier column slope spraying, and the backpack bracket 1 can be carried on the upper body of the human body. A nozzle fixing head 3 is fixed to the other end of each swing arm 2 connected to the backpack bracket 1, and the nozzle fixing head 3 is used to fix the spraying pipe 4. In this way, when the two swing arms 2 are arranged front and back, the spraying pipe 4 is fixed from two places along the front and back direction, which can ensure that the spraying head on the spraying pipe 4 can be placed in front of the construction personnel carrying the backpack bracket 1, which is convenient for the spraying operation. The two nozzle fixing heads 3 fix the spraying pipe 4 front and back to ensure the stability of the fixation of the spraying pipe 4. In this way, the construction personnel can carry the auxiliary tool for bridge pier column slope spraying to drive the spraying pipe 4 to change the construction position. Compared with the traditional method of dragging with both hands, the operation is simpler and easier, the labor intensity is reduced, and when the construction personnel change their positions, the spraying pipe 4 is driven to change the construction position in real time, and the efficiency is improved.

[0025] The nozzle fixing head 3 can be in the form of a hook, such as a hook is provided on the shotcrete pipe 4, and the nozzle fixing head 3 and the shotcrete pipe 4 are fixed by buckling the hook on the hook. In this embodiment, preferably, the nozzle fixing head 3 includes an annular collar 31, and a plurality of fastening screws 32 are arranged circumferentially around the collar 31. The fastening screws 32 are threadedly connected to the collar 31 along the radial direction of the collar 31, and the positioning end extends into the inner hole of the collar 31. The nozzle fixing head 3 has a simple structure, is easy to use, and is suitable for a wide range of diameters of the shotcrete pipe 4.

[0026] In order to ensure that the spraying head can be extended in front of the construction personnel, the two collars 31 of the two swing arms 2 are coaxial when in use.

[0027] In order to facilitate the tightening of the fastening screw 32 , preferably, a handle 33 is provided at one end of the fastening screw 32 outside the collar 31 .

[0028] In order to achieve reliable installation of the swing arm 2, preferably, the swing arm 2 includes a movable arm 21 and a support rod 22; one end of the movable arm 21 is hinged to the backpack bracket 1, and the other end is connected to the nozzle fixing head 3; one end of the support rod 22 is hinged to the backpack bracket 1, and the other end is detachably connected to the movable arm 21.

[0029] Preferably, a protrusion 23 is provided on the swing arm 2, and the support rod 22 is detachably connected to the protrusion 23.

[0030] In order to be able to adjust the position of the spraying pipe 4 to adapt to the spraying operations of different construction workers, preferably, there are multiple protrusions 23, and the multiple protrusions 23 are arranged in a row along the length direction of the swing arm 2.

[0031] The swing arm 2 and the support rod 22 can be connected by a latch, but for further convenience, as Figure 2 As shown, the protrusion 23 is cylindrical, and one end of the support rod 22 connected to the protrusion 23 is a semicircular slot 24 adapted to the protrusion 23 , and the protrusion 23 is inserted into the slot 24 .

[0032] The backpack bracket 1 may be composed of a main frame body carried on the back of a human body and a soft shoulder strap for carrying. In this embodiment, the backpack bracket 1 includes two bracket bodies 11 arranged opposite to each other in the front and back, and the bracket body 11 includes two vertical poles 11A, a bottom cross bar 11B connected to the bottom of the vertical poles 11A, and a middle cross bar 11C connected to the middle of the vertical poles 11A; the left and right sides of the two bracket bodies 11 are respectively provided with an upwardly arched arc-shaped shoulder rod 12, and the two ends of the shoulder rod 12 are respectively connected to the top of the vertical pole 11A of the corresponding bracket body 11. The backpack bracket 1 adopts a hard bracket sleeve on the upper body of the human body, and the risk of slipping and breaking is reduced.

[0033] In order to more reliably fix the backpack support 1 to the worker's upper body, Figure 3 As shown, fixing rods 13 arched outward to both sides are respectively provided at the bottom of the left and right sides of the backpack bracket 1, one end of the fixing rod 13 is hinged to the vertical rod 11A of one of the auxiliary bracket bodies 11, and the other end is detachably connected to the vertical rod 11A of the other auxiliary bracket body 11 by a pin 14.

Claims

1. Auxiliary tool for bridge pier slope spraying, characterized by: The invention comprises a backpack bracket (1), at least two swing arms (2) are arranged on one side of the backpack bracket (1), the two swing arms (2) are arranged front and back, one end of each swing arm (2) is connected to the backpack bracket (1), and the other end is fixed with a nozzle fixing head (3).

2. The auxiliary tool for bridge pier slope spraying as claimed in claim 1, characterized in that: The nozzle fixing head (3) comprises an annular collar (31), and a plurality of fixing screws (32) are arranged circumferentially around the collar (31). The fixing screws (32) are threadedly connected to the collar (31) along the radial direction of the collar (31), and the positioning ends thereof extend into the inner hole of the collar (31); When in use, the two collars (31) of the two swing arms (2) are coaxial.

3. The auxiliary tool for bridge pier slope spraying as claimed in claim 2, characterized in that: A handle (33) is provided at one end of the fastening screw (32) located outside the collar (31).

4. The auxiliary tool for bridge pier slope spraying according to any one of claims 1 to 3, characterized in that: The swing arm (2) comprises a movable arm (21) and a support rod (22); one end of the movable arm (21) is hinged to the backpack bracket (1), and the other end is connected to the nozzle fixing head (3); one end of the support rod (22) is hinged to the backpack bracket (1), and the other end is detachably connected to the movable arm (21).

5. The auxiliary tool for bridge pier slope spraying as claimed in claim 4, characterized in that: A protrusion (23) is provided on the swing arm (2), and the support rod (22) is detachably connected to the protrusion (23).

6. The auxiliary tool for bridge pier slope spraying as claimed in claim 5, characterized in that: There are a plurality of protrusions (23), and the plurality of protrusions (23) are arranged in a row along the length direction of the swing arm (2).

7. The auxiliary tool for bridge pier slope spraying as claimed in claim 5, characterized in that: The protrusion (23) is cylindrical, and one end of the support rod (22) connected to the protrusion (23) is a semicircular slot (24) adapted to the protrusion (23), and the protrusion (23) is inserted into the slot (24).

8. The auxiliary tool for bridge pier slope spraying according to any one of claims 1 to 3, characterized in that: The backpack bracket (1) comprises two bracket bodies (11) arranged opposite to each other in front and back, the bracket body (11) comprising two vertical poles (11A), a bottom cross bar (11B) connected to the bottom of the vertical poles (11A), and a middle cross bar (11C) connected to the middle of the vertical poles (11A); the left and right sides of the two bracket bodies (11) are respectively provided with arc-shaped shoulder bars (12) arched upwards, and the two ends of the shoulder bars (12) are respectively connected to the top of the vertical poles (11A) of the corresponding bracket body (11).

9. The auxiliary tool for bridge pier slope spraying as claimed in claim 8, characterized in that: Fixed rods (13) arched outwards are respectively arranged at the bottom of the left and right sides of the backpack bracket (1), one end of the fixed rod (13) is hinged to the vertical rod (11A) of one of the auxiliary bracket bodies (11), and the other end is detachably connected to the vertical rod (11A) of the other auxiliary bracket body (11) by a latch (14).

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