CN214423981U - Fixing device for lifting scaffold - Google Patents

Abstract

The utility model relates to the technical field of scaffold fixation, and discloses a fixing device for a lifting scaffold, which comprises a first clamp, a second clamp and a fixing block; the fixed block that is located clamp one and clamp two left is articulated each other through the hinge, the right flank of the fixed block on clamp one right side has the rotation seat through connecting rod fixed mounting, rotates the lantern ring that is connected with the rectangle structure on the seat, the inside right side of the lantern ring is provided with the anchorage block of a set of arc structure, and the right side of anchorage block passes through the adjusting screw one of a set of threaded connection of connecting rod fixedly connected with in the lantern ring right side wall, the inside flexible groove of upper portion open-ended that has seted up in the top of clamp one and clamp two, and the inside movable type in flexible groove is connected with the movable protection plate that the cross-section is type right triangle structure, and movable protection plate's hypotenuse sets up to the arc structure, and the adjusting screw two of clamp one and clamp two diapalls are passed to the downward fixedly connected with vertical bottom in the left and right sides of movable protection plate bottom.

Description

Fixing device for lifting scaffold

Technical Field

The utility model relates to a scaffold frame is fixed technical field, specifically is a fixing device for lifting foot hand rack.

Background

Scaffolding refers to various supports erected on a construction site for workers to handle and solve vertical and horizontal transportation. The method is generally used in places where external walls, interior decoration or high floor height cannot be directly constructed on building sites. Mainly for constructors to work up and down or peripheral safety net enclosures, high-altitude installation components and the like, scaffold manufacturing materials usually comprise: bamboo, wood, steel pipes or synthetic materials, etc.

Chinese patent (publication No. CN 206987361U, publication No. 2018.02.09) discloses a scaffold fixing device, which comprises two base bodies used in pairs, wherein each base body is provided with a semicircular inner hole, the two semicircular holes are matched into a circular hole for use, the lower part of each base body is provided with a rotatable conical fixture, the excircle of the conical fixture is conical, when the fixing device is used, the front side and the rear side of the two clamps still need to be rotationally fixed by bolts, the disassembling steps are still complicated, and when the scaffold is fixed, only two groups of fixtures are used for fixing, the wrapping and fixing area is limited, the scaffold cannot be correspondingly adjusted according to the height of the fixed scaffold, and even if the two groups of fixtures are tightly clamped on the scaffold, rainwater also very easily enters the inner side of the clamping apparatus in rainy days, which is not favorable for stably fixing the clamping apparatus on the scaffold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device for lifting foot hand rack to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device for a lifting scaffold comprises a first clamp, a second clamp and a fixing block; the first clamp and the second clamp are arranged in a symmetrical semicircular structure, the left side and the right side of the first clamp and the second clamp are respectively and fixedly provided with a fixed block with a rectangular structure, and the fixed blocks located on the left sides of the first clamp and the second clamp are hinged to each other through a hinge, so that the first clamp and the second clamp can rotate around the hinge conveniently. The right side surface of the fixed block on the right side of the first hoop is fixedly provided with a rotating seat through a connecting rod, the rotating seat is rotatably connected with a lantern ring with a rectangular structure, the right side of the fixed block at the right side of the hoop II is fixedly provided with a fixed rod with the diameter smaller than the inner width of the lantern ring through a connecting rod, the lantern ring rotates around the rotating seat, the lantern ring is convenient to be directly sleeved on the fixed rod, thereby fixedly connecting the right sides of the first hoop and the second hoop, in order to further stabilize the stability of the sleeving between the lantern ring and the fixed rod, a group of fastening blocks with arc structures are arranged on the right side inside the lantern ring, the right side of each fastening block is fixedly connected with a group of adjusting screws I which are in threaded connection with the right side wall of the lantern ring through connecting rods, the fastening blocks can be adjusted to be positioned at the left and right positions inside the lantern ring by rotating the adjusting screws I, thereby when the lantern ring suit was on the dead lever, can be with the fastening block closely with the dead lever laminating each other.

In order to further improve the fixed steadiness of two pairs of scaffold framves of clamp one and clamp, the flexible groove of upper portion open-ended has been seted up to the inside top of clamp one and clamp two, and the bottom in flexible groove extends to the interior middle part position of clamp one and clamp two, and the movable backplate that the cross-section is the type right angled triangle structure is connected to the inside movable type in flexible groove, and the hypotenuse of activity backplate sets up to the arc structure, and the adjusting screw two of clamp one and two diapalls is passed to the downward fixedly connected with vertical bottom in the left and right sides of activity backplate bottom, thereby adjusts the use height of activity backplate through rotating adjusting screw two.

As a further aspect of the present invention: the arcwall face of fastening block is greater than the dead lever, and the fastening block of being convenient for can laminate on the dead lever.

As a further aspect of the present invention: the inside ripple arch that is provided with of the arcwall face of fastening block is used for improving the frictional force with the dead lever contact.

As a further aspect of the present invention: and the left side and the right side of the position of the adjusting screw rod II below the middle parts of the first clamp and the second clamp are respectively provided with a vertical sliding chute, the sliding chutes are internally and slidably connected with limiting plates fixed on the adjusting screw rods, and the limiting plates are used for limiting the adjusting screw rods to drive the movable guard plate to move upwards excessively so as to damage the top of the movable guard plate. The activity backplate is when the rebound, and the center department that can be gradually towards clamp one and clamp two is close to clamp one and clamp two are on centre gripping scaffold, through the area of the further improvement centre gripping of rebound activity backplate, and utilize the outside of the close subsides of top at the scaffold of activity backplate, prevent that outside rainwater from entering into the inboard of clamp one and clamp two contact scaffold.

As a further aspect of the present invention: and the left side and the right side of the top of the sliding groove are fixedly provided with anti-collision pads.

Compared with the prior art, the beneficial effects of the utility model are that: the left sides of the first hoop and the second hoop are hinged through the hinge, the right sides of the first hoop and the second hoop are rotatably sleeved on the fixed rod through the lantern ring, and then the fastening block is tightly attached to the fixed rod through the first adjusting screw rod, so that the first hoop and the second hoop can fix the scaffold quickly and efficiently, and the operation is simple and convenient;

the telescopic groove used for storing the movable guard plate is formed in the tops of the first clamp and the second clamp, then the left side and the right side of the bottom of the movable guard plate are provided with the second adjusting screw rods to control the lifting of the movable guard plate, so that the clamping area is further increased on the basis of the fixed scaffold clamped by the first clamp and the second clamp, the blocked outside water enters the inner sides of the first clamp and the second clamp and contacts with the scaffold, and the clamping stability is kept.

Drawings

Fig. 1 is a schematic external perspective view of a fixing device for a lifting scaffold.

Fig. 2 is a rear view of an internal structure of a fixing device for a lifting scaffold.

Fig. 3 is a left side view schematically illustrating a fixing device for a lifting scaffold.

Wherein: the device comprises a first clamp 10, a second clamp 11, a fixed block 12, a hinge 13, a fixed rod 14, a rotating seat 15, a lantern ring 16, a first adjusting screw 17, a fastening block 18, a movable protection plate 19, a telescopic groove 20, a second adjusting screw 21, a locking nut 22, a sliding groove 24 and a limiting plate 25.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Referring to fig. 1-3, a fixing device for a lifting scaffold includes a first clamp 10, a second clamp 11, and a fixing block 12; the first clamp 10 and the second clamp 11 are arranged in a symmetrical semicircular structure, the left side and the right side of the first clamp 10 and the second clamp 11 are respectively and fixedly provided with a fixed block 12 with a rectangular structure, and the fixed blocks 12 located on the left sides of the first clamp 10 and the second clamp 11 are hinged to each other through hinges 13, so that the first clamp 10 and the second clamp 11 can rotate around the hinges 13. The right side surface of the fixed block 12 on the right side of the first clamp 10 is fixedly provided with a rotating seat 15 through a connecting rod, the rotating seat 15 is rotatably connected with a lantern ring 16 with a rectangular structure, the right side of the fixed block 12 on the right side of the second clamp 11 is fixedly provided with a fixed rod 14 with the diameter smaller than the internal width of the lantern ring 16 through the connecting rod, the lantern ring 16 rotates around the rotating seat 15 through the lantern ring 16, so that the lantern ring 16 is directly sleeved on the fixed rod 14, the right sides of the first clamp 10 and the second clamp 11 are fixedly connected, in order to further stabilize the stability of sleeving between the lantern ring 16 and the fixed rod 14, the right side inside of the lantern ring 16 is provided with a group of fastening blocks 18 with arc structures, the arc surfaces of the fastening blocks 18 are larger than the fixed rod 14, the fastening blocks 18 can be conveniently attached to the fixed rod 14, the right side of the fastening blocks 18 is fixedly connected with a group of adjusting screw rods 17 which are in the right side wall of the lantern ring 16 through connecting rods, the left and right positions of the fastening block 18 in the lantern ring 16 can be adjusted by rotating the adjusting screw rod I17, so that the fastening block 18 can be tightly attached to the fixing rod 14 when the lantern ring 16 is sleeved on the fixing rod 14. The fastening block 18 is provided with corrugated protrusions inside the arc-shaped surface for improving the frictional force with the fixing rod 14.

Example two

In order to further improve the steadiness that clamp one 10 and two 11 pairs of scaffold are fixed, the inside flexible groove 20 of upper portion open-ended that has seted up in the top of clamp one 10 and two 11, the bottom of flexible groove 20 extends to the interior middle part position of clamp one 10 and two 11, the inside movable type of flexible groove 20 is connected with the activity backplate 19 that the cross-section is the class right angled triangle structure, the hypotenuse of activity backplate 19 sets up to the arc structure, two 21 of adjusting screw of clamp 10 and two 11 diapalls are passed to the downward fixedly connected with vertical bottom in the left and right sides of activity backplate 19 bottom, thereby adjust the use height of activity backplate 19 through rotating adjusting screw two 21. Vertical sliding grooves 24 are formed in the left side and the right side of the position of the adjusting screw rod II 21 below the middle portions of the first clamp 10 and the second clamp 11 respectively, a limiting plate 25 fixed to the adjusting screw rod II 21 is connected to the sliding grooves 24 in a sliding mode, and the limiting plate 25 is used for limiting the adjusting screw rod II 21 to drive the movable protection plate 19 to move upwards excessively so as to damage the top of the movable protection plate 19. The movable protection plate 19 can gradually approach towards the centers of the first clamp 10 and the second clamp 11 when moving upwards, so that the first clamp 10 and the second clamp 11 can further improve the clamping area by moving the movable protection plate 19 upwards on the clamping scaffold, and the top of the movable protection plate 19 is tightly attached to the outer side of the scaffold, so that external rainwater is prevented from entering the inner side of the first clamp 10 and the second clamp 11, which is in contact with the inner side of the scaffold. And crash pads are fixedly arranged on the left side and the right side of the top of the sliding groove 24.

The utility model discloses a theory of operation is: during the use, at first through the suit of clamp one 10 and clamp two 11 on waiting to connect the scaffold, then with the lantern ring 16 suit on clamp one 10 and clamp two 11 right side on dead lever 14, then rotate adjusting screw 17 and drive the laminating that fastening block 18 is tight on dead lever 14, and then all stable the carrying out fixed connection with the both ends of clamp one 10 and clamp two 11, then through the adjusting screw two 21 of rotatory clamp one 10 and clamp two 11 bottoms, will arrange in the inside activity backplate 19 of flexible groove 20 slowly rising upwards in, until with the outside of its top closely pasting at the scaffold, thereby further fixed scaffold and prevent that outside rainwater from entering into the inboard of clamp one 10 and clamp two 11.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (3)

1. A fixing device for a lifting scaffold comprises a first hoop (10), a second hoop (11) and a fixing block (12); the clamp I (10) and the clamp II (11) are arranged to be symmetrical to each other in a semicircular structure, the left side and the right side of the clamp I (10) and the clamp II (11) are respectively and fixedly provided with a fixed block (12) with a rectangular structure, the clamp I (10) and the fixed block (12) on the left side of the clamp II (11) are hinged to each other through a hinge (13), the right side face of the fixed block (12) on the right side of the clamp I (10) is fixedly provided with a rotating seat (15) through a connecting rod, a lantern ring (16) with the rectangular structure is rotatably connected to the rotating seat (15), the right side of the fixed block (12) on the right side of the clamp II (11) is fixedly provided with a fixed rod (14) with a diameter smaller than the inner width of the lantern ring (16) through the connecting rod, the right side of the inner part of the lantern ring (16) is provided with a set of fastening blocks (18) with an arc-shaped structure, and the right side of the fastening blocks (18) is fixedly connected with a set of adjusting screw rod I (17) in the right side wall of the lantern ring (16) through a set of screw thread connection, the utility model discloses a clamp, including clamp one, clamp two, the inside flexible groove (20) of upper portion open-ended that has seted up in the top of clamp one (10) and clamp two (11), the bottom in flexible groove (20) extends to the interior middle part position of clamp one (10) and clamp two (11), the inside movable type in flexible groove (20) is connected with the activity backplate (19) that the cross-section is the similar right angled triangle structure, the hypotenuse of activity backplate (19) sets up to the arc structure, the vertical bottom of the downward fixedly connected with of the left and right sides of activity backplate (19) bottom passes clamp one (10) and clamp two (11) diapire adjusting screw two (21).

2. The fixing device for the lifting scaffold is characterized in that the left side and the right side of the position of the adjusting screw rod II (21) below the middle parts of the clamp I (10) and the clamp II (11) are respectively provided with a vertical sliding groove (24), and a limiting plate (25) fixed on the adjusting screw rod II (21) is connected in the sliding groove (24) in a sliding manner.

3. A fixing device for a lifting scaffold according to claim 2, characterized in that crash pads are fixedly installed on the left and right sides of the top of the sliding groove (24).

Images