CN215254494U

CN215254494U - Temporary fastening device for ascending device during construction

Info

Publication number: CN215254494U
Application number: CN202120839330.5U
Authority: CN
Inventors: 徐闽涛; 刘玉涛; 王文进; 王军; 金国平
Original assignee: Zhejiang Zhongtian Hengzhu Steel Structure Co ltd; Zhongtian Construction Group Co Ltd
Current assignee: Zhejiang Zhongtian Hengzhu Steel Structure Co ltd; Zhongtian Construction Group Co Ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2021-12-21
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a temporary fastening device for a climbing device during construction, which comprises at least two groups of limiting device components; each group of stopper assemblies comprises a first stopper and a second stopper, and the first stopper and the second stopper are respectively fixed on two sides of a support member to which the temporary fastening device is to be installed; the first limiting stopper comprises a first vertical plate, a first transverse plate, a first ribbed plate and a fixing assembly; the second limiting stopper comprises a second vertical plate, a second transverse plate, a second ribbed plate and an ear plate; in each group of stopper assemblies, a screw rod penetrates between the first vertical plate and the second vertical plate, and two sides of the screw rod are respectively fixed on the first vertical plate and the second vertical plate through nuts; the lug plates of all the second limiters are jointly penetrated and fixed with a horizontally arranged cross rod, and the cross rod is used for mounting and fixing the ascending device. The utility model discloses a device can repeat repetitious usage, but the use is accomplished the back split and is former spare part, transports to other positions and uses once more.

Description

Temporary fastening device for ascending device during construction

Technical Field

The utility model belongs to the building device field, concretely relates to interim fastener that is used for device of ascending a height during construction.

Background

When the steel structures such as the net rack, the steel door plant, the super high-rise building and the like are constructed, the installer often needs to ascend to perform operation, and in the field implementation process, the self-made ladder stand or hanging basket is usually constructed, and because of the limitation of the shapes of the components, the self-made ladder stand/hanging basket is usually hung in a connecting lug plate hole by using a lifting hook, hung on a tie rod, directly hung on a steel beam (usually found in the hanging basket) and the like. Because the contact point is few or the girder steel is broad, and the horizontal member is narrower relatively, easily lead to the cat ladder/hang the basket and take place to sway because of the unstability for workman's incident easily takes place from top to bottom.

Accordingly, there is a need to provide a new temporary fastening device for construction ladders/baskets.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect among the prior art to a temporary fastener for ascending a height device during construction is provided. The device can be used for accurately positioning, installing and anchoring according to technical requirements and field conditions after being processed in a factory or on the field, effectively ensures the stability, reliability and safety of the climbing ladder stand or the high-altitude hanging basket, and ensures safe construction.

The utility model discloses the concrete technical scheme who adopts as follows:

a temporary fastening device for a climbing device during construction comprises at least two groups of limiter assemblies; each group of the stopper assemblies comprises a first stopper and a second stopper, and the first stopper and the second stopper are respectively fixed on two sides of a support member to which the temporary fastening device is to be installed;

the first limiting stopper comprises a first vertical plate, a first transverse plate, a first ribbed plate and a fixing assembly; the first vertical plate is provided with a first plate surface and a second plate surface which are opposite; the first transverse plate is horizontally fixed in the middle of the first plate surface of the first vertical plate, a plurality of first rib plates are fixed between the top surface and the first plate surface of the first vertical plate, and the bottom surface is used for being attached to the top surface of the supporting member; the first vertical plate, the first transverse plate and all the first rib plates form an upper component together; the fixing assembly is fixed at the lower part of the first vertical plate and is used for fixing the upper member on the supporting member in the vertical direction;

the second limiting stopper comprises a second vertical plate, a second transverse plate, a second ribbed plate and an ear plate; the second vertical plate is provided with a first plate surface and a second plate surface which are opposite; the second transverse plate is horizontally fixed in the middle of the second plate surface of the second vertical plate, a plurality of second rib plates are fixed between the top surface and the second plate surface of the second vertical plate, and the bottom surface is used for being attached to the top surface of the supporting member; an ear plate is fixed on the first plate surface of the second vertical plate;

in each group of stopper assemblies, a first plate surface of a first vertical plate and a second plate surface of a second vertical plate are arranged oppositely, a screw rod penetrates through the space between the first vertical plate and the second vertical plate, and two sides of the screw rod are respectively fixed on the first vertical plate and the second vertical plate through nuts; all run through jointly on the otic placode of second stopper and be fixed with the horizontal pole that the level set up, the horizontal pole is used for the mount to fix the device of ascending a height.

Preferably, the supporting member is an i-beam, and the first stopper and the second stopper are both used for being fixed to an upper flange of the i-beam.

Further, the fixing assembly comprises a first flat plate and a compression bolt; the first flat plate is horizontally fixed on the first plate surface of the first vertical plate and is lower than the bottom of the upper flange; the first flat plate is provided with a pressing bolt hole which is used for forming threaded fit with a pressing bolt, and the tail part of the pressing bolt can be fixed with the bottom of the upper flange in a pressing mode, so that the first limiting device and the I-shaped beam are fixed in the vertical direction.

Furthermore, the bottom of the second vertical plate is lower than the bottom of the upper flange, and a second flat plate lower than the bottom of the upper flange is horizontally fixed on a second plate surface of the second vertical plate; and the second flat plate is provided with a pressing bolt hole which is used for forming thread fit with a pressing bolt, and the tail part of the pressing bolt can be pressed and fixed with the bottom of the upper flange, so that the second limiting stopper and the I-shaped beam are fixed in the vertical direction.

Preferably, the pressing bolt comprises a pressing screw and a flanging pressing plate; a flanging pressing plate is vertically fixed at the tail part of the compression screw rod, and the plate edge of the flanging pressing plate is bent towards the head part of the compression screw rod; and the compression screw is fixedly pressed with the bottom of the upper flange through the flanging pressing plate.

Preferably, the support member is a box-shaped member, and the first stopper and the second stopper are both fixed to an upper portion of the box-shaped member.

Further, the fixing assembly comprises a first plate, a threaded rod and a lower member; the lower member is positioned at the bottom of the box-shaped member and comprises a second plate, a third plate and a third vertical plate; the third plate is horizontally fixed in the middle of the first plate surface of the third vertical plate, a plurality of reinforcing rib plates are fixed between the bottom surface and the first plate surface of the third vertical plate, and the top surface is attached to the bottom surface of the box-shaped member; the second plate is fixed on the second plate surface of the third vertical plate, and the first plate is horizontally fixed on the second plate surface of the first vertical plate; vertical threaded rods are arranged between the first plate and the second plate in a penetrating mode, and the two sides of each threaded rod are fixed to the first plate and the second plate respectively through nuts.

Preferably, the climbing device is a ladder or a hanging basket.

Preferably, the first vertical plate, the first transverse plate and the first rib plate are connected by welding; the second vertical plate, the second transverse plate, the second rib plate and the lug plate are connected in a welding mode.

Preferably, the stopper assemblies are two groups.

Compared with the prior art, the utility model, following beneficial effect has:

1) the parts of the device are easy to process, standardized processing in factories can be carried out, temporary manufacturing can be carried out according to local conditions, and the investment cost is low;

2) the components of the device are easy to assemble and are connected in a cheap assembly manner, and the device can be manually installed in place without additional tools;

3) the device of the utility model has lighter overall weight after being combined, and is convenient to install, disassemble and carry;

4) the utility model discloses a device can repeat repetitious usage, but the use is accomplished the back split and is former spare part, transports to other positions and uses once more.

Drawings

Fig. 1 is a side view of a temporary fastening means when the ascending device is fixed to an i-beam;

FIG. 2 is a top view of the temporary securing apparatus of FIG. 1;

FIG. 3 is (a) a front view, (b) a side view, (c) a top view and (d) a bottom view of the first retainer of FIG. 1;

FIG. 4 is (a) a front view and (b) a side view of the second retainer of FIG. 1;

FIG. 5 is a top view of a portion of the structure of FIG. 1 with two second stops engaged;

FIG. 6 is a schematic view of (a) the overall structure and (b) the flanging press plate of the pressing bolt of FIG. 1;

FIG. 7 is (a) a front view and (b) a top view of the nut of FIG. 1;

FIG. 8 is a side view of the temporary tightening means when the climbing means is fixed to the box member;

fig. 9 is (a) a front view, (b) a side view, (c) a top view and (d) a bottom view of the first stopper of fig. 8;

FIG. 10 is (a) a front view and (b) a side view of the second retainer of FIG. 8;

FIG. 11 is a top view of a portion of the structure of FIG. 8 with two second stops in use;

the reference numbers in the figures are: the device comprises a first stopper 1, a first vertical plate 11, a first transverse plate 12, a first ribbed plate 13, a first flat plate 15, a first plate 16, a second plate 17, a third plate 18, a third vertical plate 19, a second stopper 2, a second vertical plate 21, a second transverse plate 22, a second ribbed plate 23, an ear plate 24, a second flat plate 25, a screw rod 3, a cross rod 4, a climbing device 5, an I-shaped beam 6, a threaded rod 8 and a compression bolt 9.

Detailed Description

The invention will be further elucidated and described with reference to the drawings and embodiments. The utility model discloses in the technical characteristics of each embodiment under the prerequisite that does not conflict each other, all can carry out corresponding combination.

The first vertical plate 11, the second vertical plate 21, and the third vertical plate 19 in this embodiment all have two faces (a first face and a second face), and all the orientations of the first face are the same, and all the orientations of the second face are the same, that is, the orientation of the first face is the left side face in the viewing angle of fig. 1, and the orientation of the second face is the right side face in the viewing angle of fig. 1.

The utility model provides a temporary fastening device for ascending a height device during construction, this temporary fastening device include at least two sets of stopper subassemblies. Each group of stopper assemblies comprises a first stopper 1 and a second stopper 2, wherein the first stopper 1 is fixed to the top of one side of a support member to which the temporary fastening device is to be installed when in use, and the second stopper 2 is fixed to the top of the other side of the same support member when in use. The first stopper 1 and the second stopper 2 are disposed opposite to each other, and are respectively located on opposite sides of the support member.

First stopper 1 includes first vertical board 11, first horizontal board 12, first floor 13 and fixed subassembly, and first vertical board 11 has relative first face and second face. First horizontal board 12 level is fixed in the first face middle part of first vertical board 11, and both are the T type and combine. A plurality of first rib plates 13 are fixed between the top surface of the first transverse plate 12 and the first plate surface of the first vertical plate 11, and the first rib plates 13 can strengthen the connection stability between the first transverse plate 12 and the first vertical plate 11. In order to save the manufacturing cost while ensuring the effect of reinforcing the stability, the first rib 13 may be provided in two, and respectively installed at both sides of the first transverse plate 12. The bottom surface of the first transverse plate 12 can be attached to the top surface of the support member in actual use, that is, the bottom surface of the first transverse plate 12 is placed on the upper surface of the support member, and the first vertical plate 11 is located outside the support member. The first vertical plate 11, the first transverse plate 12 and all the first ribs 13 together constitute an upper member. In order to enable the first stopper 1 to be more stably connected with the supporting member, a fixing assembly is further provided at a lower portion of the first vertical plate 11, and the fixing assembly can fix the upper member on the supporting member in a vertical direction.

The second stopper 2 includes a second vertical plate 21, a second transverse plate 22, a second rib plate 23, and an ear plate 24, and the second vertical plate 21 has a first plate surface and a second plate surface that are opposite to each other. The second transverse plate 22 is horizontally fixed in the middle of the second plate surface of the second vertical plate 21, and the two are combined in a T shape. A plurality of second ribs 23 are fixed between the top surface of the second transverse plate 22 and the second plate surface of the second vertical plate 21, and the second ribs 23 can strengthen the connection stability between the second transverse plate 22 and the second vertical plate 21. In order to save the manufacturing cost while ensuring the effect of reinforcing the stability, the second ribs 23 may be provided in two, and respectively installed at both sides of the second transverse plate 22. The bottom surface of the second transverse plate 22 can be attached to the top surface of the support member in actual use, that is, the bottom surface of the second transverse plate 22 is placed on the upper surface of the support member, and the second vertical plate 21 is located outside the support member. The first plate surface of the second vertical plate 21 is fixed with an ear plate 24, and the ear plate 24 and the second transverse plate 22 are respectively positioned at two sides of the second vertical plate 21.

In every stopper subassembly, first stopper 1 and second stopper 2 set up relatively, and the first face of first vertical board 11 in first stopper 1 sets up relatively with the second face of second vertical board 21 in second stopper 2 promptly, and at this moment, first vertical board 11 and second vertical board 21 are located the outside at supporting member both ends respectively. Screw rod holes are respectively formed in the first vertical plate 11 and the second vertical plate 21, a screw rod 3 is communicated between the first vertical plate and the second vertical plate, the screw rod 3 can rotate in a threaded fit mode with the screw rod holes formed in the screw rod holes, and nuts are arranged on two sides of the screw rod 3. As shown in fig. 7, the nut is internally threaded, which is capable of cooperating with the screw 3. By tightening the nut on the screw 3 until the nut comes into contact with the first vertical plate 11 or the second vertical plate 21, the screw 3 is now in tension. The lug plates 24 of all the second limiters 2 are fixedly provided with a horizontal cross rod 4 in a penetrating way, and the cross rod 4 is used for mounting a fixed ascending device.

In actual use, the first stopper 1 or the second stopper 2 can be fixed in the vertical direction; through screw rod 3 not only can realize the fixed connection of first stopper 1 and second stopper 2 in the horizontal direction, can also strengthen the effect of step up of first stopper 1 and second stopper 2 to the supporting member. Therefore, the ascending device can be stably fixed on the supporting component.

The climbing device 5 can adopt a common ladder stand or hanging basket structure or other devices suitable for climbing operation. The utility model discloses an outside handling bolted connection's part in the device, all adopt welding mode fixed connection to in the prerequisite of convenient dismantlement, the joint strength between the strengthening part as far as, for example the joint mode between first vertical board 11, first horizontal board 12 and the first floor 13 can adopt the welding, and the joint mode between second vertical board 21, second horizontal board 22, second floor 23 and the otic placode 24 can adopt the welding.

In order to guarantee the utility model discloses in fixed function, reduce processing cost of manufacture as far as, can with the utility model discloses the stopper subassembly of device sets up to two sets of, and two first stoppers 1 are fixed in one side of supporting member and through horizontal pole 4 fixed connection promptly, and two second stoppers 2 are fixed in the opposite side of supporting member, and first stopper 1 and second stopper 2 in every stopper subassembly of group are respectively through 3 fixed connection of screw rod.

When the supporting member adopts an I-beam structure, the first limiting stopper 1 and the second limiting stopper 2 are both fixed on the upper flange of the I-beam. As shown in fig. 1-7, the utility model discloses an interim fastener can also carry out appropriate deformation on the basis of above-mentioned structure to coincide I-beam structure, better fixed effect of realization. The concrete structure is as follows:

as shown in fig. 3, the fixing assembly of the first stopper 1 may be provided as a combined structure including the first plate 15 and the pressing bolt 9: the first flat plate 15 is horizontally fixed on the first plate surface of the first vertical plate 11 and is lower than the bottom of the upper flange; at this time, the first flat plate 15 and the first transverse plate 12 are both located on the same side plate surface of the first vertical plate 11, and the first flat plate 15 and the first transverse plate 12 are respectively located on the upper side and the lower side of the upper flange; a pressing bolt hole is formed in the first plate 15 and can be in threaded fit with the pressing bolt 9; in the tightening process, the tail of the hold-down bolt 9 can be gradually close to the bottom of the upper flange until the hold-down bolt is pressed and fixed with the bottom of the upper flange, so that the first limiter 1 and the I-beam are fixed in the vertical direction.

As shown in fig. 4, the bottom of the second vertical plate 21 in the second stopper 2 should be lower than the bottom of the upper flange, a second flat plate 25 is horizontally fixed on the second plate surface of the second vertical plate 21, the second flat plate 25 is lower than the bottom of the upper flange, at this time, the second flat plate 25 and the second horizontal plate 22 are both located on the same side plate surface of the second vertical plate 21, and the second flat plate 25 and the second horizontal plate 22 are respectively located on the upper and lower sides of the upper flange. A compression bolt hole is formed in the second flat plate 25 and can be in threaded fit with the compression bolt 9; in the tightening process, the tail of the hold-down bolt 9 can be gradually close to the bottom of the upper flange until the hold-down bolt is pressed and fixed with the bottom of the upper flange, so that the second limiting device 2 and the I-beam are fixed in the vertical direction.

As shown in fig. 6, in order to avoid the loose clamping caused by the too small contact area of the tail of the pressing bolt 9 when the tail is press-fitted and fixed with the bottom of the upper flange, the pressing bolt 9 may be configured as the following structure including a pressing screw and a flanging pressing plate: the hem clamp plate is vertically fixed at the tail of the compression screw, the flange of the hem clamp plate is bent towards the head of the compression screw, and the compression screw is fixed with the bottom of the upper flange through the hem clamp plate in a pressing mode, so that the contact area between the compression bolt 9 and the upper flange is enlarged, and the firm combination of the compression bolt and the upper flange is realized.

When the supporting member is a box-shaped member, the first stopper 1 and the second stopper 2 are used to be fixed to the upper portion of the box-shaped member. As shown in fig. 8-11, the temporary fastening device of the present invention can also deform appropriately on the basis of the above structure to fit the box-type member structure, so as to achieve better fixing effect. The concrete structure is as follows:

the fixing assembly may be provided as a combined structure including a first plate 16, a threaded rod 8 and a lower member at the bottom of the box-shaped member, including a second plate 17, a third plate 18 and a third vertical plate 19. The third plate 18 is horizontally fixed in the middle of the first plate surface of the third vertical plate 19, and the third plate and the third vertical plate are combined in a T shape. A plurality of reinforcing ribs are fixed between the bottom surface of the third plate 18 and the first plate surface of the third vertical plate 19, and the reinforcing ribs can reinforce the connection stability between the third plate 18 and the third vertical plate 19. In order to save the manufacturing cost while ensuring the effect of reinforcing the stability, two reinforcing ribs may be provided and respectively installed on both sides of the third plate 18. The top surface of the third sheet 18 is attached to the bottom surface of the box member. The second plate 17 is fixed on the second surface of the third vertical plate 19, the first plate 16 is horizontally fixed on the second surface of the first vertical plate 11, a vertical threaded rod 8 is penetrated between the first plate 16 and the second plate 17, and two sides of the threaded rod 8 are respectively fixed on the first plate 16 and the second plate 17 through nuts. In practical application, in order to make the combination between the first plate 16 and the first vertical plate 11 more firm, a plurality of reinforcing ribs may be arranged between the two; in order to make the combination between the second plate member 17 and the third vertical plate 19 more firm, a plurality of reinforcing ribs may be provided therebetween. The structure is used for preventing the combination part of the first limiter 1 and the upper part of the box-shaped component from suddenly loosening in long-term use, so that a vertical threaded rod 8 part is additionally arranged to serve as a secondary protection.

The utility model discloses a device not only can carry out appropriate deformation according to the supporting member structure when in actual use, still because this device is assembled by a plurality of parts and is constituteed, but consequently uses the removable fraction of completion back to former spare part, transports to other positions and uses once more, assembles in a flexible way.

The above-mentioned embodiments are merely a preferred embodiment of the present invention, but it is not intended to limit the present invention. Various changes and modifications can be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the mode of equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims

1. A temporary fastening device for a climbing device during construction is characterized by comprising at least two groups of limiter components; each group of the stopper assemblies comprises a first stopper (1) and a second stopper (2), and the first stopper (1) and the second stopper (2) are respectively fixed on two sides of a support member of the temporary fastening device to be installed;

the first limiter (1) comprises a first vertical plate (11), a first transverse plate (12), a first ribbed plate (13) and a fixing assembly; the first vertical plate (11) is provided with a first plate surface and a second plate surface which are opposite; the first transverse plate (12) is horizontally fixed in the middle of the first plate surface of the first vertical plate (11), a plurality of first rib plates (13) are fixed between the top surface and the first plate surface of the first vertical plate (11), and the bottom surface is used for being attached to the top surface of the supporting member; the first vertical plate (11), the first transverse plate (12) and all the first ribs (13) together form an upper component; the fixing component is fixed at the lower part of the first vertical plate (11) and is used for fixing the upper member on the supporting member in the vertical direction;

the second limiter (2) comprises a second vertical plate (21), a second transverse plate (22), a second rib plate (23) and an ear plate (24); the second vertical plate (21) is provided with a first plate surface and a second plate surface which are opposite; the second transverse plate (22) is horizontally fixed in the middle of the second plate surface of the second vertical plate (21), a plurality of second rib plates (23) are fixed between the top surface and the second plate surface of the second vertical plate (21), and the bottom surface is used for being attached to the top surface of the supporting member; an ear plate (24) is fixed on the first plate surface of the second vertical plate (21);

in each group of stopper assemblies, a first plate surface of a first vertical plate (11) and a second plate surface of a second vertical plate (21) are arranged oppositely, a screw rod (3) penetrates through the space between the first vertical plate (11) and the second vertical plate (21), and two sides of the screw rod (3) are respectively fixed on the first vertical plate (11) and the second vertical plate (21) through nuts; all run through jointly on otic placode (24) of second stopper (2) and be fixed with horizontal setting's horizontal pole (4), horizontal pole (4) are used for the fixed device of ascending a height of carry.

2. A temporary fastening device for a construction ascender device according to claim 1, wherein the support member is an i-beam, and the first stopper (1) and the second stopper (2) are each adapted to be fixed to an upper flange of the i-beam.

3. A temporary fastening device for a construction ascender device according to claim 2, wherein the fixing assembly includes a first plate (15) and a compression bolt (9); the first flat plate (15) is horizontally fixed on the first plate surface of the first vertical plate (11) and is lower than the bottom of the upper flange; the first flat plate (15) is provided with a compression bolt hole which is used for forming threaded fit with the compression bolt (9), the tail part of the compression bolt (9) can be fixed with the bottom of the upper flange in a pressing mode, and the first limiting stopper (1) and the I-shaped beam are fixed in the vertical direction.

4. A temporary fastening device for a construction ascender device according to claim 3, wherein the bottom of the second vertical plate (21) is lower than the bottom of the upper flange, and a second flat plate (25) lower than the bottom of the upper flange is horizontally fixed to the second plate surface of the second vertical plate (21); and a pressing bolt hole which is used for forming threaded fit with the pressing bolt (9) is formed in the second flat plate (25), and the tail part of the pressing bolt (9) can be fixed with the bottom of the upper flange in a pressing mode, so that the second limiting stopper (2) and the I-shaped beam are fixed in the vertical direction.

5. A temporary fastening device for a construction ascender device according to claim 3 or 4, wherein the pressing bolt (9) includes a pressing screw and a hemming press plate; a flanging pressing plate is vertically fixed at the tail part of the compression screw rod, and the plate edge of the flanging pressing plate is bent towards the head part of the compression screw rod; and the compression screw is fixedly pressed with the bottom of the upper flange through the flanging pressing plate.

6. A temporary fastening device for a construction ascender device according to claim 1, wherein the supporting member is a box-shaped member, and the first stopper (1) and the second stopper (2) are each adapted to be fixed to an upper portion of the box-shaped member.

7. A temporary fastening device for a construction ascender device according to claim 6, wherein the fixing assembly comprises a first plate (16), a threaded rod (8) and a lower member; the lower member is positioned at the bottom of the box-shaped member and comprises a second plate (17), a third plate (18) and a third vertical plate (19); the third plate (18) is horizontally fixed in the middle of the first plate surface of the third vertical plate (19), a plurality of reinforcing rib plates are fixed between the bottom surface and the first plate surface of the third vertical plate (19), and the top surface is attached to the bottom surface of the box-shaped member; the second plate (17) is fixed on the second plate surface of the third vertical plate (19), and the first plate (16) is horizontally fixed on the second plate surface of the first vertical plate (11); a vertical threaded rod (8) penetrates between the first plate (16) and the second plate (17), and two sides of the threaded rod (8) are fixed on the first plate (16) and the second plate (17) respectively through nuts.

8. A temporary fastening device for a climbing device during construction according to claim 1, characterised in that the climbing device (5) is a ladder or a basket.

9. A temporary fastening device for a construction ascender device according to claim 1, wherein the connection means between the first vertical plate (11), the first transverse plate (12) and the first rib plate (13) is welding; the second vertical plate (21), the second transverse plate (22), the second rib plate (23) and the lug plate (24) are connected by welding.

10. A temporary fastening device for a construction ascender device according to claim 1, in which the stopper assemblies are two groups.