CN220955645U - Cave concrete roughening device - Google Patents

Abstract

The utility model provides a grotto concrete roughening device, includes support frame, swing frame and walking dolly, swing frame one end is articulated through the one end of hinge with the support frame, and at least one strutting arrangement is installed in the other end of support frame articulated, and strutting arrangement adjustable supports the other end of swing frame installs two tracks on the swing frame, installs the walking dolly on two tracks, and the walking dolly can be along the track removal, is used for installing concrete roughening equipment on the walking dolly. Install concrete roughening equipment on the travelling car, travelling car can remove on the track, and the track can adjust the operation angle of concrete roughening equipment again through the swing frame, can adapt to little cavern limited space, can realize mobilizable semi-mechanized roughening again.

Description

Cave concrete roughening device

Technical Field

The utility model relates to the technical field of water and electricity hydraulic engineering, in particular to a chamber concrete roughening device.

Background

When large-scale hydraulic and hydroelectric engineering encounters a weak structural surface with complex geological conditions and multiple dislocation bands or faults distributed at the excavation position, in order to improve the stress condition of a dam foundation or an underground cavity, a replacement hole and a seepage interception hole are required to be designed and arranged. The replacement concrete belongs to secondary construction, and in order to enable the base layer surface to be better bonded with the bottom mortar, full-section roughening is required to be carried out on the concrete poured in the primary stage before the secondary backfilling construction so as to ensure that the primary concrete and the secondary concrete are well bonded. At present, concrete roughening modes for a cavity are mainly divided into three types, namely manual hammering, electric hammer or pneumatic pick roughening, and roughening by using mechanized equipment such as a concrete roughening machine.

The first two roughening modes have large manual operation amount and larger safety risk in the construction process; and the mechanized equipment is large in size, has high requirements on the operation environment, and is unfavorable for the construction of a cavity with a complex structure. The secondary concrete section of the small chambers such as the replacement holes and the seepage-intercepting holes is generally only 4m multiplied by 4m, even smaller, the cambered surface construction operation surface is limited, and the construction by using the mechanized roughening equipment is difficult, so that the concrete roughening device with a simple structure is designed.

Disclosure of utility model

The utility model aims to solve the technical problems that: the problem that exists among the above-mentioned background art is solved, provides a grotto concrete roughening device, installs the concrete roughening equipment on the travelling trolley, and the travelling trolley can remove on the track, and the track can adjust the operation angle of concrete roughening equipment through the swing frame again, can adapt to little grotto limited space, can realize mobilizable semi-mechanized roughening again.

In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the utility model provides a grotto concrete roughening device, includes support frame, swing frame and walking dolly, swing frame one end is articulated through the one end of hinge with the support frame, and at least one strutting arrangement is installed in the other end of support frame articulated, and strutting arrangement adjustable supports the other end of swing frame installs two tracks on the swing frame, installs the walking dolly on two tracks, and the walking dolly can be along the track removal, is used for installing concrete roughening equipment on the walking dolly.

The supporting device comprises an ear seat and a supporting rod, the ear seat is fixedly arranged on the supporting frame, one end of the supporting rod is hinged with the ear seat, a limiting device is arranged on the lower side of the swinging frame at a position corresponding to the supporting rod, the limiting device consists of a plurality of spacing limiting plates, a spacing space is formed between every two adjacent limiting plates, and the other end of the supporting rod is propped against the inside of the spacing space.

The supporting rod comprises a screw rod, a sleeve and a limit nut, one end of the screw rod is hinged with the lug seat through the ring seat, the other end of the screw rod stretches into the sleeve and is screwed with the sleeve through threads, the limit nut is screwed on the screw rod, and the upper end of the sleeve is propped against in the limit space.

The track is a channel steel, and the notch of the two channel steels are oppositely arranged; the travelling trolley comprises wheel shafts, wheels and supporting grooves, wherein the wheels are respectively arranged at two ends of the two wheel shafts, the wheels at two ends of the wheel shafts are respectively positioned in the notches of the two tracks, the two supporting grooves are fixedly connected to the two wheel shafts, and the concrete roughening equipment is fixedly arranged on the two supporting grooves through U-shaped bolts.

And the support groove at the lower side is rotatably provided with a support wheel, and the outer circumference of the support wheel abuts against the track at the lower side.

The lower side of support frame is provided with the rack, and the truckle is installed to the lower extreme of rack.

The utility model has the following beneficial effects:

1. according to the utility model, the concrete roughening equipment is arranged on the travelling trolley, the travelling trolley can move on the track, the track can adjust the operation angle of the concrete roughening equipment through the swinging frame, and the travelling trolley not only can adapt to the limited space of a small cavity, but also can realize movable semi-mechanized roughening.

2. According to the utility model, the supporting rods are abutted against the limiting plates at different positions by adjusting the swinging supporting rods, so that the angle of the swinging frame is adjusted, and the angle of the concrete roughening equipment is adjusted to adapt to the inner wall of the tunnel. The supporting rod can be adjusted in a telescopic way, so that the adjusting range of the angle of the swinging frame is further increased.

3. The track is a channel steel, and wheels at two ends of the wheel shaft are respectively positioned in the notches of the two tracks, so that the stable transverse movement of the travelling trolley is realized.

4. According to the utility model, the supporting wheels are arranged, so that the end surface of the wheel at the lower side does not rub with the rail, and the running trolley is more flexible to run.

Drawings

Fig. 1 is a schematic diagram of a front view structure of the present utility model.

Fig. 2 is a schematic top view of the installation of the swing frame, the travelling trolley and the concrete roughening equipment of the utility model.

Fig. 3 is a right-side view of the connection of the support frame and the swing frame.

Fig. 4 is a schematic view of the supporting device structure of the present utility model.

Fig. 5 is a schematic structural view of a limiting device according to the present utility model.

Fig. 6 is a schematic structural view of the present utility model after the stage is installed.

In the figure: the concrete track roller comprises a support frame 1, a hinge 2, a swinging frame 3, a support device 4, an ear seat 41, a ring seat 42, a screw 43, a sleeve 44, a flat head 441, a limit nut 45, a limit device 5, a limit plate 51, a limit space 52, a side plate 53, a track 6, a travelling trolley 7, a wheel shaft 71, wheels 72, a support groove 73, a support wheel 74, a U-shaped bolt 75, a concrete roughening device 8, a rack 9 and casters 91.

Detailed Description

Embodiments of the present utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1-6, a device for roughening concrete in a cavity comprises a support frame 1, a swinging frame 3 and a traveling trolley 7, wherein one end of the swinging frame 3 is hinged with one end of the support frame 1 through a hinge 2, the other end of the support frame 1 is hinged with three support devices 4, the support devices 4 can support the other end of the swinging frame 3 in an adjustable manner, two rails 6 are arranged on the swinging frame 3, the traveling trolley 7 is arranged on the two rails 6, the traveling trolley 7 can move along the rails, and concrete roughening equipment 8 is arranged on the traveling trolley 7. Install concrete roughening equipment 8 on travelling car 7, travelling car 7 can remove on track 6, and track 6 can adjust the operation angle of concrete roughening equipment 8 again through swing frame 3, can adapt to little cavern limited space, can realize mobilizable semi-mechanized roughening again.

In a preferred embodiment, the concrete roughening device 8 employs a YT-28 hand-held air drill.

Referring to fig. 4, the supporting device 4 comprises an ear seat 41 and a supporting rod, the ear seat 41 is fixedly installed on the supporting frame 1, one end of the supporting rod is hinged to the ear seat 41, a limiting device 5 is arranged on the lower side of the swinging frame 3 at a position corresponding to the supporting rod, referring to fig. 5, the limiting device 5 is composed of a plurality of spacing limiting plates 51, a limiting space 52 is formed between every two adjacent limiting plates 51, and the other end of the supporting rod is abutted to the inside of the limiting space 52. By adjusting the swinging support rod, the support rod is abutted against the limiting plates 51 at different positions, so that the angle of the swinging frame 3 is adjusted, and the angle of the concrete roughening equipment 8 is adjusted to adapt to the inner wall of the tunnel. In order to ensure the reliability of the limiting space 52, side plates 53 are welded to both sides of the limiting plate 51, respectively.

Further, the supporting rod comprises a screw 43, a sleeve 44 and a limit nut 45, one end of the screw 43 is hinged with the ear seat 41 through the ring seat 42, the other end of the screw 43 extends into the sleeve 44 and is screwed with the sleeve 44, the limit nut 45 is screwed on the screw 43, and the upper end of the sleeve 44 is abutted in the limit space 52. The supporting rod can be adjusted in a telescopic way, so that the adjusting range of the angle of the swinging frame 3 is further increased. To facilitate convenient insertion of the sleeve 44 into the spacing space 52, a flat head 441 is provided at the top of the sleeve 44.

Of course, the supporting device 4 can also adopt a lifting structure similar to a car-mounted jack besides adopting the structure.

Referring to fig. 1, the track 6 is a channel steel, and the notches of the two channel steels are arranged oppositely; the travelling trolley 7 comprises wheel shafts 71, wheels 72 and supporting grooves 73, the wheels 72 are respectively arranged at two ends of the two wheel shafts 71, the wheels 72 at two ends of the wheel shafts 71 are respectively positioned in the notches of the two rails 6, the two supporting grooves 73 are fixedly connected to the two wheel shafts 71, and the concrete roughening equipment 8 is fixedly arranged on the two supporting grooves 73 through U-shaped bolts 75. By the above structure, stable lateral movement of the traveling carriage 7 is realized. When the hand-held roughening device is used, the walking trolley 7 is manually pushed, and an operator does not need to hold the roughening device.

Further, a support wheel 74 is rotatably mounted on the support groove 73 on the lower side, and the outer circumference of the support wheel 74 abuts against the rail 6 on the lower side. By providing the support wheels 74, the end surfaces of the lower wheels 72 do not rub against the rail 6, so that the travelling trolley 7 can run more flexibly.

Referring to fig. 6, a stand 9 is provided at the lower side of the support frame 1, and casters 91 are mounted at the lower end of the stand 9. A stand 9 is provided for supporting the concrete roughening apparatus 8 and facilitates the overall movement of the device. The stand 9 may have another structure or may be formed integrally with the support frame 1. For example, the rack 9 may be a finished scaffold or a steel pipe rack erected on site, and also be a steel frame welded integrally with the support frame 1. Specifically, the casters 91 may be movable scaffold casters, not only with a brake device, but also with height adjustment.

Of course, the electric lifting platform truck may be used as the stand 9.

The working principle or process of the utility model:

When in use, the steel pipe is firstly used for erecting the rack 9 (steel bent), and the bottom of the rack 9 is provided with the caster 91 with adjustable height. The combination of the support frame 1, the swing frame 3 and the travelling trolley 7 is fixed to the stand 9, after which the concrete roughening apparatus 8 is fixed to the travelling trolley 7 by means of U-bolts 75. Before the concrete roughening equipment 8 is started, the casters 91 are braked and fixed.

When the moving direction needs to be adjusted, the travelling trolley 7 is pushed left and right, and the concrete roughening equipment 8 can move transversely on the swinging frame 3.

When the angle needs to be adjusted, the supporting device 4 is placed in different limiting spaces 52 of the limiting device 5, and then the angle adjustment can be realized.

Claims (6)

1. The utility model provides a cave concrete roughening device which characterized in that: including support frame (1), swing frame (3) and walking dolly (7), swing frame (3) one end is articulated through hinge (2) with the one end of support frame (1), and at least one strutting arrangement (4) is articulated to the other end of support frame (1), and strutting arrangement (4) adjustable support the other end of swing frame (3) installs two tracks (6) on swing frame (3), installs walking dolly (7) on two tracks (6), and walking dolly (7) can follow the track and remove, are used for installing concrete chiseling equipment (8) on walking dolly (7).

2. A chamber concrete roughening apparatus as defined in claim 1, wherein: the supporting device (4) comprises an ear seat (41) and a supporting rod, the ear seat (41) is fixedly arranged on the supporting frame (1), one end of the supporting rod is hinged to the ear seat (41), a limiting device (5) is arranged on the lower side of the swinging frame (3) at a position corresponding to the supporting rod, the limiting device (5) is composed of a plurality of limiting plates (51) at intervals, a limiting space (52) is formed between every two adjacent limiting plates (51), and the other end of the supporting rod abuts against the inside of the limiting space (52).

3. A chamber concrete roughening apparatus as defined in claim 2, wherein: the supporting rod comprises a screw rod (43), a sleeve (44) and a limit nut (45), one end of the screw rod (43) is hinged with the ear seat (41) through the ring seat (42), the other end of the screw rod extends into the sleeve (44) and is screwed with the sleeve (44), the limit nut (45) is screwed on the screw rod (43), and the upper end of the sleeve (44) is propped against the limit space (52).

4. A chamber concrete roughening apparatus as defined in claim 1, wherein: the track (6) is a channel steel, and the notches of the two channel steels are oppositely arranged; the travelling trolley (7) comprises wheel shafts (71), wheels (72) and supporting grooves (73), the wheels (72) are respectively arranged at two ends of the two wheel shafts (71), the wheels (72) at two ends of the wheel shafts (71) are respectively located in the notches of the two tracks (6), the two supporting grooves (73) are fixedly connected to the two wheel shafts (71), and the concrete roughening equipment (8) is fixedly arranged on the two supporting grooves (73) through U-shaped bolts (75).

5. A chamber concrete roughening apparatus as defined in claim 4, wherein: a support wheel (74) is rotatably mounted on the support groove (73) on the lower side, and the outer circumference of the support wheel (74) abuts against the rail (6) on the lower side.

6. A chamber concrete roughening apparatus as defined in claim 1, wherein: the lower side of support frame (1) is provided with rack (9), and truckle (91) are installed to the lower extreme of rack (9).