CN211037736U

CN211037736U - Door type scaffold

Info

Publication number: CN211037736U
Application number: CN201921791090.5U
Authority: CN
Inventors: 梁伟明; 何剑
Original assignee: Guangdong Hanwei City Construction Co ltd
Current assignee: Guangdong Hanwei City Construction Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-17
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a portal scaffold, which comprises two groups of portals, wherein a cross diagonal brace is connected between the two groups of portals, a pedal is bridged on a cross rod of each portal, the pedal comprises a supporting frame, one side of the supporting frame, which is far away from a hook, is provided with a first connecting hook with an arc-shaped opening, and one end of the first connecting hook, which is far away from the supporting frame, is hinged with a second connecting hook; the first connecting hook and the second connecting hook wrap the cross rod. Through the setting, through taking couple and first connecting hook on two sets of horizontal poles earlier, rethread fixing device fixes, compares the current mounting means of directly taking the footboard on the portal, has higher security to the installation of being convenient for.

Description

Door type scaffold

Technical Field

The utility model belongs to the technical field of the technique of scaffold frame and specifically relates to a door type scaffold frame is related to.

Background

The door-type scaffold is one of the most widely used scaffolds in construction. The main frame is in a shape of a door, so the main frame is called a door type or door type scaffold, and is also called a scaffold or a portal frame. The scaffold mainly comprises a portal frame, cross inclined struts, pedals, stairs and the like.

In the existing door-type scaffold, because the hooks of the pedal are directly put on the cross bars of the portal frame, when the gravity center of a heavy object on the pedal is unbalanced or the hooks of the pedal are jacked up unintentionally in the using process, one side of the pedal is easy to tilt, turn or incline, so that the heavy object on the pedal falls down, the danger of falling objects is easy to occur, and great potential safety hazards exist; the pedal is fixed with the cross bar of the portal frame in a welding or bonding mode in the conventional common pedal fixing mode, the pedal is inconvenient to mount or dismount, and the construction period is prolonged and the construction efficiency is reduced in short-term construction and use. Therefore, there is room for improvement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a door type scaffold frame has and is convenient for install and remove the footboard and carry out the effect fixed to the footboard.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a portal scaffold comprises two groups of portal frames, wherein cross inclined struts are connected between the two groups of portal frames, cross pedals are connected on cross rods of the two groups of portal frames in a bridging manner, each pedal comprises a supporting frame, at least two groups of hooks with arc-shaped openings are fixed at one end of the supporting frame, and the openings of the hooks are lapped with the cross rods; a first connecting hook with an arc-shaped opening is arranged on one side, away from the hook, of the supporting frame, the opening of the first connecting hook is in lap joint with the cross rod, and a second connecting hook is hinged to one end, away from the supporting frame, of the first connecting hook; one end, far away from the hinge point, of the second connecting hook and a fixing device are arranged between the supporting frame, and when the fixing device fixes the second connecting hook and the supporting frame, the first connecting hook and the second connecting hook wrap the cross rod.

Through the arrangement, the two groups of the gantries are connected through the cross inclined struts to form a whole, and the cylindrical cross rods of the two groups of the gantries are connected with the pedal in a cross mode to allow a user to tread. The pedal comprises a rectangular support frame and support plates arranged in the support frame at intervals, at least two groups of arc-shaped hooks lapped on the cross rod are fixed at one end of the support frame in the length direction, and arc openings of the hooks are arranged downwards; the other end of the length direction of the supporting frame is fixed with at least two groups of first connecting hooks corresponding to the hooks, the first connecting hooks are arc-shaped, the openings of the first connecting hooks face downwards and are in lap joint with the other group of cross rods, and one end, far away from the supporting frame, of each first connecting hook is hinged with an arc-shaped second connecting hook. The circular arc openings of the first connecting hook and the second connecting hook are arranged just opposite to each other, the second connecting hook is fixed with the fixed frame through the fixing device arranged between the second connecting hook and the supporting frame, the cross rod is wrapped and fixed by the circular ring formed by the first connecting hook and the second connecting hook, and then the pedal and the two sets of portal frames are fixedly connected. And through taking couple and first connecting hook on two sets of horizontal poles earlier, rethread fixing device fixes, compares the current mounting means of directly taking the footboard on the portal, has higher security to the installation of being convenient for.

The utility model is further provided with that the fixing device comprises an insert block which is connected with one end of the second connecting hook far away from the hinge point in a sliding way, and the insert block slides towards the direction far away from the hinge point of the second connecting hook; the supporting frame is provided with a slot for the insertion block to be inserted in, and the insertion block is opposite to the slot when parallel to the supporting frame.

Through the arrangement, the fixing device comprises the insertion block which is connected with the second connecting hook in a sliding mode, the insertion block slides towards the direction of a hinge point which is far away from the second connecting hook and the first connecting hook, the insertion groove is formed in the position, right opposite to the insertion block, of the supporting block when the second connecting hook wraps the cross rod, the insertion block is in insertion connection with the insertion groove, and the insertion block is parallel to the supporting frame at the moment. The second connecting hook is rotated in a plugging mode of the plug block and the slot for limitation, the first connecting hook and the second connecting hook comprise a cross rod, the pedal is fixed relative to the cross rod and the portal frame, accordingly, the connectivity between the pedal and the cross rod is improved, and the safety of a user during use is further improved.

The utility model discloses further set up, the one end that the pin joint was kept away from to the second coupling hook is fixed with the lug, the lug is kept away from the one end of pin joint is opened there is the confession the gliding spout of inserted block, the inserted block is in the joint slides in the spout, the spout link up keeping away from second coupling hook open-ended one side the lug is provided with logical groove.

Through the setting, the one end that the pin joint was kept away from to the second coupling hook is fixed with the lug of rectangle, and the spout has been seted up to the one end that the pin joint was kept away from to the lug, and the inserted block joint slides in the spout, and the spout supplies the inserted block to stretch out to the one end opening setting of the pin joint of keeping away from first coupling hook and second coupling hook, realizes pegging graft with the slot. Wherein the spout is kept away from the side that the second hookup opening just right the direction and is link up the lug and be provided with logical groove to the person of facilitating the use passes through logical groove from the lug outward and removes the inserted block, and the person of facilitating the use is pegged graft inserted block and slot, is convenient for with footboard and portal fixed connection.

The utility model discloses further set up, the inserted block with the both sides wall of spout laminating is the protrusion respectively and is fixed with the spacing piece, the both sides wall of spout corresponds the position and has seted up the spacing groove, the spacing block is in the spacing inslot joint slides, the length direction of spacing groove is to keeping away from the direction of pin joint extends.

Through the arrangement, the sliding groove and the two inner side walls adjacent to the through groove are sunken to form the limiting groove, the length direction of the limiting groove is the same as the moving direction of the slot, the insertion block is fixedly protruded on the side face opposite to the two limiting grooves, and the limiting block slides in the limiting groove in a clamping manner. Therefore, the insert block is rotated and limited through the limiting groove and the limiting block, the insert block moves along the length direction of the sliding groove, and the insert is inserted into the slot.

The utility model discloses further set up, the inserted block is kept away from the protrusion of the open-ended side of second coupling hook is fixed with the ejector pad.

Through the arrangement, the insert is fixed with the push block in a protruding mode on one side of the opening far away from the second connecting hook, the push block is arranged on one side close to the through groove, and the push block slides in the through groove, so that an end user can control the push block from the outside of the convex block to control the insert to move.

The utility model discloses further set up, the carriage is opened there is the confession the lug rotates the recess of pegging graft, the slot sets up the recess orientation the lateral wall of second coupling hook.

Through the arrangement, the lower end face of the supporting block is provided with the concave groove, the groove is arranged towards the opening on one side of the lug and is used for the lug to rotate and be inserted, and the slot for inserting the plug block is located on the inner side wall of the groove towards the second connecting hook. The lug is protected through the groove, the probability that the relatively weak insertion block is damaged in the using process of the scaffold is reduced, and the service life is prolonged.

The utility model discloses further set up, the lug with during the recess is pegged graft, the lug cave in the recess.

Through the setting, with the lug sunken in the recess, can reduce this scaffold and cause the pollution to lug and inserted block in various construction pollutants when the operation, keep the relative clean of inserted block, convenient to use person promotes ejector pad and inserted block.

The utility model discloses further set up, the vertical downward stopper that is fixed with of opening of first coupling hook, the horizontal pole with spacing hole has been seted up to the position that the stopper corresponds, state the opening of first coupling hook with during the horizontal pole overlap joint, the stopper with spacing hole is pegged graft.

Through the arrangement, the opening of the first connecting hook is fixed with the vertical downward limiting rod, the transverse rod is provided with the limiting hole at the position which is vertical and right to the limiting rod, the limiting rod is in plug-in connection with the limiting hole, and therefore when the first connecting hook is in lap joint with the transverse rod, the first connecting hook is fixed relative to the transverse rod through the limiting of the limiting hole on the limiting rod, sliding of the pedal is reduced, and connectivity of the pedal and the transverse rod is improved.

The utility model discloses further set up, the horizontal pole is connected with straight ladder, the top of straight ladder is fixed with at least two sets of third coupling hooks, the structure of third coupling hook with first coupling hook is the same, the third coupling hook with the horizontal pole overlap joint.

Through the arrangement, the cross rod is provided with the straight ladder, and a user can climb to the pedal through the straight ladder conveniently. Wherein the top of vertical ladder is fixed with the third coupling hook of at least two sets of structures similar with first coupling hook to realize being connected of vertical ladder and horizontal pole through third coupling hook and horizontal pole overlap joint's mode, the vertical ladder other end and ground butt. Thereby become triangle stable structure to the alignment ladder, be convenient for support the vertical ladder, also convenient to use person installs or dismantles and removes the vertical ladder, has improved the installation effectiveness to can make a plurality of these door type scaffolds a set of vertical ladders of sharing, reduce manufacturing cost.

To sum up, the utility model discloses following beneficial effect has:

1. the hook and the first connecting hook are respectively fixed at the two ends, facing the cross rod, of the supporting frame, and are provided with openings with downward arcs, so that the hook and the first connecting hook are respectively connected to the cross rod in a lap mode to firstly support the pedal, the end part of the first connecting hook is hinged with the second connecting hook, the second connecting hook is detachably connected with the supporting frame to wrap the cross rod through the first connecting hook and the second connecting hook, and the condition that the pedal is separated from a door frame is reduced by matching with a mode that the limiting rod is connected with the limiting hole in an inserting mode, so that the use safety of the scaffold is improved;

2. the insertion block is in sliding connection with the second connecting hook, the insertion block is matched with the supporting frame in an insertion mode, and the pushing block is arranged to facilitate a user to push the insertion block to be inserted into the supporting frame, so that the supporting frame and the door frame can be fixed by the user conveniently, the assembling efficiency of the scaffold is improved, and the construction efficiency of a project is improved;

3. through being connected with the vertical ladder at the horizontal pole, vertical ladder one end is provided with the third coupling hook the same with first coupling hook structure, places the connected mode on ground through the one end of third coupling hook and horizontal pole overlap joint and three coupling hooks of keeping away from, and convenient to use person installs the vertical ladder fast and supplies the user to climb to the footboard on, and a set of vertical ladder can share to a plurality of scaffolds.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a partial sectional view of the present embodiment;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numerals: 1. a gantry; 11. a cross bracing; 12. a cross bar; 2. a pedal; 21. a support frame; 22. hooking; 23. a first connecting hook; 231. a limiting rod; 24. a second connecting hook; 25. a groove; 26. a slot; 26. a support plate; 3. a bump; 31. inserting a block; 311. a limiting block; 312. a push block; 32. a chute; 33. a through groove; 34. a limiting groove; 4. a straight ladder; 41. and a third connecting hook.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 2, the utility model discloses a door type scaffold, including two sets of portal 1 through the rectangle that the steel pipe connection formed, carry out fixed connection through alternately bracing 11 between two sets of portals 1, make relatively fixed and keep balance between two sets of portals 1 place subaerial. The two groups of door frames 1 are arranged oppositely, the top ends of the two groups of door frames 1 are both fixed with horizontal cross rods 12, and the two groups of cross rods 12 are arranged in parallel. The cross-over supports footboard 2 that has the rectangle on the horizontal pole 12 of two sets of portal 1, and one of them horizontal pole 12 still is connected with the straight ladder 4 that the slope was placed, and 4 one ends of straight ladder can be dismantled with horizontal pole 12 and be connected, the other end and ground butt to can supply the user to climb to 2 enterprising line operations of footboard from straight ladder 4.

The pedal 2 comprises a hollow rectangular support frame 21, a plurality of support plates 26 are fixed in the support frame 21 at intervals, and the pedal 2 integrally forms a hollow structure. Wherein the one end of carriage 21 along length direction is fixed with two sets of couples 22, and couple 22 is circular-arc-like structure, and the opening of couple 22 sets up downwards, and the opening of couple 22 cooperates with horizontal pole 12, and couple 22 and one of them a set of horizontal pole 12 overlap joint. One end of the support frame 21, which is far away from the hook 22, is fixedly connected with two groups of first connecting hooks 23, the first connecting hooks 23 are of arc-like structures, openings of the first connecting hooks 23 are arranged downwards, and the openings of the first connecting hooks 23 are matched with the cross rods 12 and are lapped with the other cross rod 12.

One end fixedly connected with third coupling hook 41 that vertical ladder 4 and horizontal pole 12 are connected, the structure of third coupling hook 41 is similar with first coupling hook 23's shape, and through third coupling hook 41 and one of them horizontal pole 12 overlap joint, the other end and the ground butt of vertical ladder 4 realize support and spacing to vertical ladder 4.

As shown in fig. 2 to 3, a second connecting hook 24 is hinged to one end of the first connecting hook 23 away from the supporting frame 21, and a protrusion 3 is fixed to one end of the second connecting hook 24 away from a hinge point of the second connecting hook 24 and the first connecting hook 23 in a protruding manner. The terminal surface is sunken fluted 25 in the position that corresponds with lug 3 under the carriage 21 to the recess 25 sets up towards the direction opening of second coupling hook 24, and recess 25 and lug 3 cooperation, when second coupling hook 24 rotate around the pin joint to wrap up horizontal pole 12 with first coupling hook 23 cooperation, lug 3 and recess 25 rotate the grafting cooperation. And the convex block 3 is sunken in the groove 25 when being inserted into the groove 25, so that the ground clearance of the lower end surface of the convex block 3 is higher than that of the lower end surface of the support frame 21.

The end of the projection 3 away from the hinge point of the second connecting hook 24 and the first connecting hook 23 is provided with a chute 32, the chute 32 penetrates through the end of the projection 3 away from the hinge point to form an opening, the inside of the chute 32 is clamped and slid with an insertion block 31, and the sliding direction of the insertion block 31 is perpendicular to the plane of the opening of the chute 32. Wherein, the side of the chute 32 far away from the opening of the second connecting hook 24 in the opposite direction is provided with a through groove 33 by penetrating through the projection 3, the side of the insertion block 31 facing the through groove 33 is fixed with a push block 312, the push block 312 extends out of the through groove 33, thereby facilitating the user to move the insertion block 31 by the push block 312.

Wherein the both sides face that the spout 32 is close to logical groove 33 all caves in has spacing groove 34, spacing groove 34 length direction perpendicular to spout 32's opening place plane, the side that the inserted block 31 is close to two spacing grooves 34 all protrudes and is fixed with spacing piece 311, spacing piece 311 slides in spacing groove 34, spacing groove 34 length direction's both ends do not link up, realize the rotation spacing and the slip stroke spacing to inserted block 31 through the cooperation of spacing groove 34 and spacing piece 311, make the inserted block remove and do not break away from with spout 32 along the length direction of spacing groove 34.

The groove 25 is provided with a slot 26 towards the side wall of the second connecting hook 24, and the position of the slot 26 meets the requirement that when the second connecting hook 24 rotates to wrap the cross rod 12 together with the first connecting hook 23, the slot 26 is right opposite to the insert block 31, and the insert block 31 is in inserted connection with the slot 26, so that the rotation limitation of the second connecting hook 24 is realized. So that the step plate 2 is not separated from the cross bar 12 by the cooperation of the first coupling hook 23 and the second coupling hook 24, thereby improving safety when the gate type scaffold is used.

Wherein, the opening of the first connecting hook 23 is vertically fixed with a limiting rod 231 downwards, a limiting hole which is matched with the limiting rod 231 in an inserting way is vertically penetrated on the cross rod 12, and when the first connecting hook 23 is lapped with the cross rod 12, the limiting rod 231 is matched with the limiting hole in an inserting way. The situation that the pedal 2 moves in the horizontal direction is reduced through the inserting mode of the limiting rod 231 and the limiting hole, the connectivity between the pedal 2 and the door frame 1 is improved, and therefore the safety of the door-shaped scaffold is further improved.

The implementation principle of the embodiment is as follows:

when installing this door type scaffold, earlier through alternately bracing 11 with two sets of portal 1 reciprocal anchorages, then with the third hookup 41 of vertical ladder 4 and the horizontal pole 12 overlap joint of one of them portal 1, the one end and the ground butt of third hookup 41 are kept away from to vertical ladder 4, realize the support and spacing to vertical ladder 4. Then the user climbs vertical ladder 4 and overlap joint footboard 2 on adjacent portal 1 to realize the support to footboard 2 on adjacent horizontal pole 12 through couple 22 and first hooker 23 overlap joint respectively, and first hooker 23 and the cooperation of second hooker 24 wrap up one of them horizontal pole 12, peg graft with plug block 31 and slot 26 again and realize spacing to the rotation of first hooker, make footboard 2 and horizontal pole 12 relatively fixed, realize reducing footboard 2 and break away from the effect of risk, improvement footboard 2 security.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a door type scaffold, includes two sets of portal (1), and is two sets of be connected with alternately bracing (11) between portal (1), two sets of cross-over has footboard (2), characterized by on horizontal pole (12) of portal (1): the pedal (2) comprises a supporting frame (21), at least two groups of hooks (22) with arc-shaped openings are fixed at one end of the supporting frame (21), and the openings of the hooks (22) are overlapped with the cross rod (12); a first connecting hook (23) with an arc-shaped opening is arranged on one side, away from the hook (22), of the supporting frame (21), the opening of the first connecting hook (23) is overlapped with the cross rod (12), and a second connecting hook (24) is hinged to one end, away from the supporting frame (21), of the first connecting hook (23); one end, far away from a hinge point, of the second connecting hook (24) and a fixing device are arranged between the supporting frame (21), and when the second connecting hook (24) and the supporting frame (21) are fixed by the fixing device, the cross rod (12) is wrapped by the first connecting hook (23) and the second connecting hook (24).

2. A portal scaffold as claimed in claim 1, wherein: the fixing device comprises an inserting block (31) which is connected with one end of the second connecting hook (24) far away from a hinge point in a sliding mode, and the inserting block (31) slides towards the direction far away from the hinge point of the second connecting hook (24); the support frame (21) with the position that inserts block (31) corresponds offers the confession slot (26) that insert block (31) was pegged graft, insert block (31) with when support frame (21) is parallel, insert block (31) with slot (26) are just right.

3. A portal scaffold as claimed in claim 2, wherein: one end, far away from the hinge point, of the second connecting hook (24) is fixed with a convex block (3), one end, far away from the hinge point, of the convex block (3) is provided with a sliding groove (32) for the sliding of the inserting block (31), the inserting block (31) slides in the sliding groove (32) in a clamping manner, and the sliding groove (32) penetrates through one side, far away from the opening of the second connecting hook (24), of the convex block (3).

4. A portal scaffold as claimed in claim 3, wherein: insert piece (31) with both sides wall that spout (32) were laminated respectively the protrusion be fixed with spacing piece (311), spacing groove (34) have been seted up to the both sides wall corresponding position of spout (32), spacing piece (311) are in joint slides in spacing groove (34), the length direction of spacing groove (34) is to keeping away from the direction of pin joint extends.

5. A portal scaffold as claimed in claim 3, wherein: a pushing block (312) is fixedly protruded from one side surface of the inserting block (31) far away from the opening of the second connecting hook (24).

6. A portal scaffold as claimed in claim 3, wherein: the supporting frame (21) is provided with a groove (25) for the rotary insertion of the convex block (3), and the slot (26) is arranged on the side wall of the groove (25) facing the second connecting hook (24).

7. A scaffolding as claimed in claim 6, wherein: when the convex block (3) is spliced with the groove (25), the convex block (3) is sunken in the groove (25).

8. A portal scaffold as claimed in claim 1, wherein: a limiting rod (231) is vertically and downwardly fixed to an opening of the first connecting hook (23), a limiting hole is formed in the position, corresponding to the limiting rod (231), of the cross rod (12), and when the opening of the first connecting hook (23) is in lap joint with the cross rod (12), the limiting rod (231) is in plug-in connection with the limiting hole.

9. A portal scaffold as claimed in claim 1, wherein: the horizontal rod (12) is connected with a straight ladder (4), at least two sets of third connecting hooks (41) are fixed at the top end of the straight ladder (4), the structures of the third connecting hooks (41) are the same as those of the first connecting hooks (23), and the third connecting hooks (41) are in lap joint with the horizontal rod (12).