A protective scaffolding for power distribution maintenance construction

Abstract

The invention relates to a protective scaffolding for power distribution maintenance construction, comprising a pair of supporting members arranged opposite to each other, a telescopic frame is arranged between the two supporting members, a pair of rotating members, a pair of limiting blocks and a plurality of supporting rods, the rotating members are hinged to the two ends of the telescopic frame, the rotating members are pivotally connected to the limiting blocks, the limiting blocks and the supporting members constitute a pair of moving pairs, and an upper positioning device and a lower positioning device are arranged for the moving pairs; the device and the protective tarpaulin adopt a split design, and a plurality of the devices can be used in parallel; the coordinated use of the telescopic frame, the rotating member, the limiting blocks and the plurality of supporting rods enables the telescopic frame to be telescopic and rotatable, is convenient for being stretched out for use and stored for transportation, and guarantees the stability of the structure during use to a great extent.

Description

Technical Field

[0001] The present invention relates to the technical field of scaffolding devices, and in particular to a protective scaffolding for power distribution maintenance construction. Background Art

[0002] Routine operation, maintenance, and emergency repairs of distribution networks are generally carried out in the open air, and the required equipment is also stored in the open air. However, sometimes rain, snow, or scorching sun are unavoidable at the work site, and both equipment and workers need to avoid rain, snow, and the sun, so simple protective sheds are often built at the emergency repair site.

[0003] The existing protective sheds have the following disadvantages, making them unsuitable for use by large equipment and a large number of repair personnel: 1) Small protective sheds generally have a small shielding area, and it is inconvenient to connect and use multiple protective sheds; 2) Large protective sheds are not convenient to overlap and store. Summary of the invention

[0004] The technical problem to be solved by the present invention is to make up for the deficiencies of the prior art and provide a protective shed for power distribution maintenance construction that is easy to store and can be used in multiple sets in parallel.

[0005] To solve the above technical problems, the technical solution of the present invention is:

[0006] A protective scaffold for power distribution maintenance construction, comprising a pair of supporting members arranged opposite to each other, a telescopic frame is arranged between the two supporting members, and further comprising a pair of rotating members, a pair of limiting blocks and a plurality of supporting rods;

[0007] The support member comprises a column, a bottom plate is fixedly provided at the bottom of the column, the bottom plate is used to be placed on the ground, a fixing hole is provided on the bottom plate, a guide limit groove is provided on the column, an upper positioning device is provided near the upper end of the limit guide groove, and a lower positioning device is provided near the lower end of the guide limit groove;

[0008] The telescopic frame is composed of a plurality of long telescopic rods, four short telescopic rods and a plurality of hinge shafts I using the parallelogram principle. The four short telescopic rods are distributed in pairs at both ends of the telescopic frame. A positioning hole is coaxially provided on the hinge shaft I, and the positioning hole is plugged into the gap at the top end of the support rod.

[0009] The rotating member comprises an integrally connected U-shaped hinge block and a shaft, the hinge block is provided with a hinge shaft hole penetrating the upper and lower plate surfaces, the hinge shaft hole and the shaft are perpendicular to each other, a side of the inner cavity of the U-shaped hinge block away from the shaft is a limiting surface, and a limiting threaded hole is provided on the shaft;

[0010] The short telescopic rods at both ends of the telescopic frame are respectively hinged to the rotating member through the hinge shaft II and the hinge shaft hole, and the limit surface is used to limit the opening size of the two short telescopic rods at each end;

[0011] The limit block includes an integrally connected guide platform and a pivot boss, and the guide platform is matched and connected with the guide limit groove on the support member, so that the limit block and the support member constitute a movable pair; when the limit block is located at the upper end of the guide limit groove, the upper positioning device fixes the limit block in the upper position; when the limit block is located at the lower end of the guide limit groove, the lower positioning device fixes the limit block in the lower position; a hole is provided on the pivot boss, and the hole is coaxially clearance-matched with the shaft on the rotating member; a limit groove is provided on the pivot boss that passes through the hole vertically, and the limit groove is matched with the limit threaded hole on the rotating member, and the limit screw passes through the limit groove and is screwed with the limit threaded hole, and the limit groove includes a first limit surface and a second limit surface, and the first limit surface and the second limit surface are used to limit the flipping amplitude of the rotating member.

[0012] Furthermore, the guide limiting groove on the column of the support member is a T-shaped groove, and the guide platform on the limiting block is a T-shaped platform.

[0013] Furthermore, an upper fixing threaded hole is provided on the upper end side surface of the column of the support member near the limit guide groove, and a lower fixing threaded hole is provided on the lower end side surface of the column near the limit guide groove; a fixing threaded hole is provided on the side surface of the guide platform of the limit block, and the specifications of the fixing threaded hole, the upper fixing threaded hole and the lower fixing threaded hole are the same; the upper fixing threaded hole and the lower fixing threaded hole are respectively threaded with hand screws, and the hand screws are threadedly connected and disconnected from the fixing threaded hole of the limit block by screwing the hand screws; the upper fixing threaded hole, the hand screw and the fixing threaded hole constitute the upper positioning device, and the lower fixing threaded hole, the hand screw and the fixing threaded hole constitute the lower positioning device.

[0014] Furthermore, a roller is fixedly provided at the bottom of the support rod.

[0015] Furthermore, the support rod comprises an upper support rod and a lower support rod, the upper support rod and the lower support rod are connected by threads, and the length of the connecting threads is greater than 100 mm.

[0016] Furthermore, it also includes a ground fixing piece, which is used to pass through a fixing hole on the bottom plate of the support piece to connect the support piece to the ground.

[0017] Furthermore, the ground fixing member is an expansion screw.

[0018] Furthermore, the ground fixing piece is a handle-type steel needle, comprising a steel needle part and a handle part which are integrally connected.

[0019] Furthermore, a copper sleeve is provided between the hole of the limit block and the shaft on the rotating member so as to coaxially fit therewith.

[0020] Furthermore, it also includes a rotating roller, both ends of which are pivotally connected to a fixed plate, and the fixed plate is fixed on the top of the support member.

[0021] The beneficial effects that can be achieved by the present invention are:

[0022] 1) The device and the protective tarpaulin are designed to be separated. Multiple devices can be used in parallel. Users can prepare tarpaulins of appropriate sizes according to actual working conditions to meet the needs of the construction site;

[0023] 2) The coordinated use of the telescopic frame, rotating parts, limit blocks and several supporting rods enables the telescopic frame to be extended and rotated, which is convenient for opening and use and storage and transportation, and to a great extent ensures the stability of the structure during use;

[0024] 3) The support rod structure composed of the upper support rod and the lower support rod screwed together enables the device to adapt to uneven ground and meet the needs of various geographical environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a stereogram of the intermediate state II of an embodiment of the present invention;

[0026] Figure 2 is a front view of the intermediate state II of an embodiment of the present invention;

[0027] Figure 3 is a top view of the intermediate state II of the embodiment of the present invention;

[0028] Figure 4 is a side view of the intermediate state II of the embodiment of the present invention;

[0029] Figure 5 yes Figure 1 A partial enlarged view of part I;

[0030] Figure 6 yes Figure 1 A partial enlarged view of part II;

[0031] Figure 7 yes Figure 1 A partial enlarged view of part III;

[0032] Figure 8 yes Figure 3 A partial enlarged view of part IV;

[0033] Fig. 9 is a three-dimensional diagram of a support member in an embodiment of the present invention;

[0034] Fig.10 is a side view of a support member in an embodiment of the invention;

[0035] Fig.11 yes Fig.10 AA section view in;

[0036] Fig.12is a three-dimensional diagram of a rotating member in an embodiment of the invention;

[0037] Fig.13 is a three-dimensional diagram of a limit block in an embodiment of the invention;

[0038] Fig.14 is a three-dimensional diagram of a handle-type steel needle in an embodiment of the invention;

[0039] Fig.15 is a schematic diagram of the storage state of the embodiment of the invention;

[0040] Fig.16 is a schematic diagram of an intermediate state I of an embodiment of the invention;

[0041] Fig.17 It is a schematic diagram of the use state of the embodiment of the invention;

[0042] Fig.18 It is a schematic diagram of multiple sets of embodiments of the invention used in parallel;

[0043] In the figure: 1-support, 101-column, 102-guide limit groove (T-slot), 103-upper fixed threaded hole, 104-lower fixed threaded hole, 105-small rib plate, 106-bottom plate, 107-fixed hole, 2-roller, 3-lower support rod, 4-upper support rod, 5-hinge axis I, 501-positioning hole, 6-long telescopic rod, 7-short telescopic rod, 8-rotating part, 801-hinge block, 802-hinge axis hole, 803-axis , 804-limiting threaded hole, 805-limiting surface, 9-articulated axis II, 10-limiting block, 1001-guide table (T-type table), 1002-fixed threaded hole, 1003-pivot boss, 1004-hole, 1005-limiting groove, 1006-first limiting surface, 1007-second limiting surface, 11-hand screw, 12-ground fixing piece, 13-copper sleeve, 14-fixing plate, 15-rotating roller, 16-limiting screw. DETAILED DESCRIPTION

[0044] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Example

[0045] like Figure 1-Figure 4 As shown, a protective scaffold for power distribution maintenance construction includes a pair of supporting members 1 arranged opposite to each other, a telescopic frame is provided between the two supporting members 1, and also includes a pair of rotating members 8, a pair of limit blocks 10 and a plurality of supporting rods;

[0046] like Figure 9-11As shown, the support member 1 includes a column 101, a bottom plate 106 is fixedly provided at the bottom of the column 101, the bottom plate 106 is used to be placed on the ground, a fixing hole 107 is provided on the bottom plate 106, a guide limit groove 102 is provided on the column 101, an upper positioning device is provided near the upper end of the limit guide groove 102, and a lower positioning device is provided near the lower end of the guide limit groove 102;

[0047] The telescopic frame is composed of a plurality of long telescopic rods 6, four short telescopic rods 7 and a plurality of hinge shafts Ⅰ5 ​​using the parallelogram principle. The four short telescopic rods 7 are distributed in pairs at both ends of the telescopic frame. A positioning hole 501 is coaxially provided on the hinge shaft Ⅰ5. The positioning hole 501 is plugged into the gap at the top of the support rod. Figure 5 As shown;

[0048] like Fig.12 As shown, the rotating member 8 includes an integrally connected U-shaped hinge block 801 and a shaft 803, the hinge block 801 is provided with a hinge shaft hole 802 penetrating the upper and lower plate surfaces, the hinge shaft hole 802 and the shaft 803 are perpendicular to each other, a surface of the inner cavity of the U-shaped hinge block 801 away from the shaft 803 is a limiting surface 805, and the shaft 803 is provided with a limiting threaded hole 804;

[0049] like Figure 7 and Figure 8 As shown, the short telescopic rods 7 at both ends of the telescopic frame are respectively hinged to the rotating member 8 through the hinge shaft II 9 and the hinge shaft hole 802, and the limiting surface 805 is used to limit the opening size of the two short telescopic rods 7 at each end;

[0050] like Fig.13 As shown, the limit block 10 includes an integrally connected guide platform 1001 and a pivoting boss 1003. The guide platform 1001 is matched and connected with the guide limit groove 102 on the support member 1, so that the limit block 10 and the support member 1 form a pair of moving pairs; when the limit block 10 is located at the upper end of the guide limit groove 102, the upper positioning device fixes the limit block 10 in the upper position; when the limit block 10 is located at the lower end of the guide limit groove 102, the lower positioning device fixes the limit block 10 in the lower position; the pivoting boss 1003 is provided with a hole 1004 , the hole 1004 is coaxially matched with the shaft 803 on the rotating member 8 with clearance; the pivot boss 1003 is provided with a limiting groove 1005 which is vertically connected with the hole 1004, the limiting groove 1005 is matched with the limiting threaded hole 804 on the rotating member 8, the limiting screw 16 passes through the limiting groove 1005 and is screwed with the limiting threaded hole 804, the limiting groove 1005 includes a first limiting surface 1006 and a second limiting surface 1007, the first limiting surface 1006 and the second limiting surface 1007 are used to limit the flipping range of the rotating member 8, such as Figure 7 shown.

[0051] The guide limiting groove 102 on the column 101 of the support member 1 is a T-shaped groove, and the guide platform 1001 on the limiting block 10 is a T-shaped platform.

[0052] An upper fixing threaded hole 103 is provided on the upper side of the column 101 of the support member 1 near the limiting guide groove 102, and a lower fixing threaded hole 104 is provided on the lower side of the column 101 near the limiting guide groove 102; a fixing threaded hole 1002 is provided on the side of the guide platform 1001 of the limiting block 10, and the fixing threaded hole 1002, the upper fixing threaded hole 103 and the lower fixing threaded hole 104 have the same specifications; the upper fixing threaded hole 103 and the lower fixing threaded hole 104 are respectively screwed with hand screws. Tighten the screw 11, and the hand screw 11 is threadedly connected and disconnected with the fixed threaded hole 1002 of the limit block 10 by screwing the hand screw 11; the upper fixed threaded hole 103, the hand screw 11 and the fixed threaded hole 1002 constitute an upper positioning device, and the lower fixed threaded hole 104, the hand screw 11 and the fixed threaded hole 1002 constitute a lower positioning device. The positioning device arranged in this way does not need to be made into non-standard parts separately, and the positioning function can be realized by only using standard hand screws and threaded holes, and the manufacturing cost is low.

[0053] A roller 2 is fixedly provided at the bottom of the support rod, and the roller 2 can be used to save effort when the telescopic frame is opened and closed.

[0054] The support rod comprises an upper support rod 4 and a lower support rod 3, the upper support rod 4 and the lower support rod 3 are connected by threads, the length of the connecting threads is greater than 100 mm, and the overall height of the support rod can be adjusted by adjusting the overlapping threaded length of the upper support rod 4 and the lower support rod 3, so that the device can adapt to uneven ground.

[0055] The ground fixing member 12 is also included. The ground fixing member 12 is used to pass through the fixing hole 107 on the bottom plate 106 of the support member 1 to connect the support member 1 to the ground. The ground fixing member 12 can be an expansion screw or a handle-type steel needle, such as Fig.14 As shown, the handle-type steel needle comprises a steel needle portion and a handle portion which are integrally connected, thereby ensuring the absolute stability of the device when used.

[0056] A copper sleeve 13 is provided between the hole 1004 of the limit block 10 and the shaft 803 on the rotating member 8 so as to reduce friction and thereby reduce friction damage.

[0057] The supporting member 1 further comprises a rotating roller 15, both ends of which are respectively pivotally connected to a fixing plate 14, and the fixing plate 14 is fixed to the top of the supporting member 1. Figure 6 As shown, the purpose of setting the rotating roller 15 is to facilitate the use of multiple sets of the device side by side, such as Fig.18 As shown, during the process of covering the tarpaulin, the tarpaulin can be mounted on the rotating roller 15, so as to facilitate the unilateral pulling of the tarpaulin, which can save labor and reduce the wear of the tarpaulin.

[0058] Use of this embodiment: Use of this embodiment requires the cooperation of at least two staff members.

[0059] 1) If Fig.15 As shown in the figure, the protective scaffold is folded, and the hand screw 11 at the lower position is screwed to disengage the hand screw 11 from the limit block 10, and the limit block 10 is pushed to the upper position, as shown in the figure. Fig.16 As shown, the hand screw 11 at the upper position is then screwed, and the hand screw 11 is threadedly connected with the limit block 10, thereby fixing the limit block 10 at the upper position;

[0060] 2) Turn over the telescopic frame, hold it by hand to make it horizontal, and support several support rods at appropriate hinge axis I according to actual needs, such as Figure 1 As shown;

[0061] 3) One worker holds the first support member 1 by hand, and another worker drags the second support member 1 to stretch the telescopic frame to a suitable position, and fixes the two support members 1 on the ground through the ground fixing member 12, such as Fig.17 As shown;

[0062] 4) The entire length of the support rods is adjusted by adjusting the screw connection length of the upper support rod 4 and the lower support rod 3, so that all the rollers 2 are supported on the ground;

[0063] 5) After the device is fixed, you can put a tarpaulin on the top. The tarpaulin can be fixed to the device with a fixing rope;

[0064] 6) After use, fold the device in reverse according to steps 1) to 5) and fix it with a strap for easy storage. The strap is not shown in the figure.

[0065] In the description of the present invention, words indicating orientation or positional relationship such as "inside", "outside", "upper", "lower", "front", and "back" are only used to facilitate the description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0066] The above is only one embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiment. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications made without departing from the idea of ​​the present invention are all within the protection scope of the present invention.

Claims

1. A protective scaffold for power distribution maintenance construction, characterized by: It comprises a pair of supporting members (1) arranged opposite to each other, a telescopic frame is provided between the two supporting members (1), and further comprises a pair of rotating members (8), a pair of limiting blocks (10) and a plurality of supporting rods; The support member (1) comprises a column (101), a bottom plate (106) is fixedly provided at the bottom of the column (101), the bottom plate (106) is used to be placed on the ground, a fixing hole (107) is provided on the bottom plate (106), a guide limit groove (102) is provided on the column (101), an upper positioning device is provided near the upper end of the guide limit groove (102), and a lower positioning device is provided near the lower end of the guide limit groove (102); The telescopic frame is composed of a plurality of long telescopic rods (6), four short telescopic rods (7) and a plurality of hinge shafts I (5) using the parallelogram principle. The four short telescopic rods (7) are distributed in pairs at both ends of the telescopic frame. A positioning hole (501) is coaxially provided on the hinge shaft I (5). The positioning hole (501) is inserted into the gap at the top end of the support rod. The rotating member (8) comprises an integrally connected U-shaped hinge block (801) and a shaft (803); the hinge block (801) is provided with a hinge shaft hole (802) penetrating the upper and lower plate surfaces; the hinge shaft hole (802) and the shaft (803) are perpendicular to each other; a surface of the inner cavity of the U-shaped hinge block (801) away from the shaft (803) is a limiting surface (805); and the shaft (803) is provided with a limiting threaded hole (804); The short telescopic rods (7) at both ends of the telescopic frame are respectively hinged to the rotating member (8) through the hinge shaft II (9) and the hinge shaft hole (802), and the limiting surface (805) is used to limit the opening size of the two short telescopic rods (7) at each end; The limit block (10) comprises an integrally connected guide platform (1001) and a pivoting boss (1003); the guide platform (1001) is matched and connected with the guide limit slot (102) on the support member (1), so that the limit block (10) and the support member (1) form a movable pair; when the limit block (10) is located at the upper end of the guide limit slot (102), the upper positioning device fixes the limit block (10) in the upper position; when the limit block (10) is located at the lower end of the guide limit slot (102), the lower positioning device fixes the limit block (10) in the lower position; a hole (1004) is provided on the pivoting boss (1003), The hole (1004) is coaxially clearance-matched with the shaft (803) on the rotating member (8); a limiting groove (1005) is provided on the pivoting boss (1003) and is vertically connected to the hole (1004); the limiting groove (1005) is matched with the limiting threaded hole (804) on the rotating member (8); a limiting screw (16) passes through the limiting groove (1005) and is threadedly connected to the limiting threaded hole (804); the limiting groove (1005) includes a first limiting surface (1006) and a second limiting surface (1007); the first limiting surface (1006) and the second limiting surface (1007) are used to limit the turning range of the rotating member (8).

2. The protective scaffolding for power distribution maintenance construction according to claim 1 is characterized by: The guide limit groove (102) on the upright column (101) of the support member (1) is a T-shaped groove, and the guide platform (1001) on the limit block (10) is a T-shaped platform.

3. The protective scaffolding for power distribution maintenance construction according to claim 1 or 2 is characterized in that: An upper fixing threaded hole (103) is provided on the upper side of the column (101) of the support member (1) near the guide limit groove (102), and a lower fixing threaded hole (104) is provided on the lower side of the column (101) near the guide limit groove (102); a fixing threaded hole (1002) is provided on the side of the guide platform (1001) of the limit block (10); the fixing threaded hole (1002), the upper fixing threaded hole (103) and the lower fixing threaded hole (104) have the same specifications; the upper fixing threaded hole (103) and the lower fixing threaded hole (104) are provided on the upper side of the column (101) near the guide limit groove (102); A hand screw (11) is respectively threadedly connected to the threaded hole (103) and the lower fixed threaded hole (104), and the hand screw (11) is threadedly connected to and disconnected from the fixed threaded hole (1002) of the limit block (10) by screwing the hand screw (11); the upper fixed threaded hole (103), the hand screw (11) and the fixed threaded hole (1002) constitute the upper positioning device, and the lower fixed threaded hole (104), the hand screw (11) and the fixed threaded hole (1002) constitute the lower positioning device.

4. The protective scaffolding for power distribution maintenance construction according to claim 1 is characterized by: A roller (2) is fixedly provided at the bottom of the support rod.

5. The protective scaffolding for power distribution maintenance construction according to claim 1 is characterized by: The support rod comprises an upper support rod (4) and a lower support rod (3), and the upper support rod (4) and the lower support rod (3) are connected via threads, and the length of the connecting threads is greater than 100 mm.

6. The protective scaffolding for power distribution maintenance construction according to claim 1 is characterized by: It also includes a ground fixing piece (12), which is used to pass through a fixing hole (107) on the bottom plate (106) of the support piece (1) to connect the support piece (1) to the ground.

7. The protective scaffolding for power distribution maintenance construction according to claim 6 is characterized by: The ground fixing member (12) is an expansion screw.

8. The protective scaffolding for power distribution maintenance construction according to claim 6 is characterized by: The ground fixing piece (12) is a handle-type steel needle, comprising a steel needle part and a handle part which are integrally connected.

9. The protective scaffolding for power distribution maintenance construction according to claim 1 is characterized by: A copper sleeve (13) is provided between the hole (1004) of the limit block (10) and the shaft (803) on the rotating member (8) so as to coaxially fit therewith.

10. The protective scaffolding for power distribution maintenance construction according to claim 1 is characterized by: It also comprises a rotating roller (15), both ends of which are respectively pivotally connected to a fixing plate (14), and the fixing plate (14) is fixed on the top of the supporting member (1).

Images