Torque spring for variable-diameter reinforcement cage telescoping mechanism

Abstract

The utility model discloses a torsion spring for a variable-diameter reinforcement cage telescoping mechanism, which comprises a torsion spring body, the end part of the torsion spring body is provided with a horizontal part, and the horizontal part is provided with a vertical part; the anti-falling assembly comprises a connecting piece detachably connected with the vertical part, a bent part arranged on the connecting piece and a stop block detachably connected with the bent part, and one end of the stop block is close to the vertical part; a second positioning column is arranged on the connecting piece, and a second positioning groove matched with the second positioning column is formed in the vertical part; the connecting piece is sleeved with a threaded cylinder, and the outer wall of the vertical part is provided with an external thread connected with the threaded cylinder; the anti-falling device has the advantages that the anti-falling performance is improved through the designed anti-falling assembly and the installed check block, the anti-falling device is prevented from falling off in the variable-diameter steel reinforcement cage telescopic mechanism, the stability and durability of the telescopic mechanism are improved, and the life safety of constructors is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to reinforcing cage telescopic mechanism technical field, concretely relates to spring for variable diameter reinforcing cage telescopic mechanism. BACKGROUND

[0002] The "spring" used in the variable diameter reinforcing cage telescopic mechanism is usually called a torsion spring, which is a special type of spiral spring. Its main function is to store and release mechanical energy. It stores elastic potential energy through torsion or distortion and releases this energy when needed.

[0003] In the variable diameter reinforcing cage telescopic mechanism, the torsion spring is usually used to achieve the telescopic function of the reinforcing cage. Through the energy storage and release characteristics of the torsion spring, the reinforcing cage can be adjusted in extension and retraction as needed to adapt to different construction requirements and conditions. At the same time, the torsion spring can also provide stable support and reset function to ensure the stability and reliability of the reinforcing cage during the telescopic process.

[0004] The variable diameter reinforcing cage vertical bar telescopic mechanism with publication number CN219753695U discloses a telescopic part, two mounting seats for connecting the vertical bar of the variable diameter reinforcing cage and the axial rod of the variable diameter reinforcing cage respectively, wherein: a plurality of telescopic parts are installed circumferentially on the peripheral surface of the axial rod; the number of telescopic parts is the same as and corresponds one-to-one to the number of vertical bars; the telescopic ends of the telescopic parts are connected to the two mounting seats respectively; the telescopic part is used to push the vertical bar outward along the horizontal direction; the torsion bar of the torsion spring 41 is connected to the hook of the hinge rod.

[0005] The existing spring for variable diameter reinforcing cage telescopic mechanism has the following problems when in use:

[0006] When the torsion spring is mounted on the hook of the hinge rod, due to the complexity and variability of the construction environment, there is a risk of the torsion spring falling off. This falling off phenomenon not only causes the telescopic mechanism to fail, but also poses a threat to construction safety. INVENTION CONTENTS

[0007] The utility model aims at providing a spring for variable diameter reinforcing cage telescopic mechanism, increasing the anti-falling performance and ensuring the safety in use.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a spring for variable diameter reinforcing cage telescopic mechanism, comprising

[0009] A torsion spring body is provided with a horizontal part at one end, and a vertical part is arranged on the horizontal part;

[0010] An anti-falling assembly is provided, which comprises a connecting piece detachably connected with the vertical part, a bent part arranged on the connecting piece, and a stopper detachably connected with the bent part, and one end of the stopper is close to the vertical part.

[0011] Preferably, a second positioning post is arranged on the connecting piece, and a second positioning groove matched with the second positioning post is arranged on the vertical part.

[0012] Preferably, a threaded cylinder is sleeved on the connecting piece, and an external thread matched with the threaded cylinder is arranged on the outer wall of the vertical part.

[0013] Preferably, the bending part and the connecting piece are in an integrated structure, and a stabilizing component is arranged on the blocking block and the bending part.

[0014] Preferably, the stabilizing component comprises a groove arranged on the blocking block, a screw rod penetrating through the bending part and extending into the groove, and a nut arranged in the groove and connected with the screw rod.

[0015] Preferably, a first positioning post is arranged on the blocking block, and a first positioning groove matched with the first positioning post is arranged on the bending part.

[0016] Preferably, the stabilizing component comprises a first semicircular ring arranged at one end of the blocking block, a second semicircular ring spliced with the first semicircular ring, and the first semicircular ring and the second semicircular ring are sleeved on the outer wall of the bending part.

[0017] Preferably, a first fastening ear is arranged at the end of the first semicircular ring, and a second fastening ear matched with the first fastening ear is arranged at the end of the second semicircular ring.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] By means of the designed anti-falling assembly, the blocking block is arranged to increase the anti-falling performance, prevent the anti-falling assembly from falling in the variable-diameter reinforcing cage telescopic mechanism, increase the stability and durability of the telescopic mechanism, and increase the life safety of construction personnel. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the anti-falling structure of the embodiment one of the utility model;

[0022] Figure 3 It is a schematic diagram of the anti-falling structure of the embodiment two of the utility model; Figure 2 It is a schematic diagram of the enlarged structure of the D area in the utility model;

[0023] Figure 4 It is a schematic diagram of the enlarged structure of the A area in the utility model; Figure 2 It is a schematic diagram of the enlarged structure of the A area in the utility model;

[0024] Figure 5 It is a schematic diagram of the anti-falling structure of the embodiment two of the utility model;

[0025] Figure 6 For the present utility model Figure 5 A schematic diagram of the enlarged structure of region G in the diagram;

[0026] In the diagram: 1. Torsion spring body; 11. Horizontal part; 2. Vertical part; 21. Second positioning groove; 22. External thread; 3. Connector; 31. Second positioning pin; 4. Bending part; 41. First positioning groove; 42. Screw; 5. Stop block; 51. First positioning pin; 52. Groove; 520. Nut; 6. Threaded cylinder; 7. First semi-circular ring; 71. First fastening lug; 8. Second semi-circular ring; 81. Second fastening lug. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1

[0029] Please see Figures 1-4 This is the first embodiment of the present invention, which provides a spring for a telescopic mechanism of a variable diameter steel cage, including...

[0030] The torsion spring body 1 has a horizontal part 11 at its end, which helps to increase the strength of the torsion spring body 1 and the horizontal part 11, and a vertical part 2 is provided on the horizontal part 11, which helps to increase the strength of the torsion spring body 1, the horizontal part 11 and the vertical part 2.

[0031] The anti-detachment component includes a connector 3 that is detachably connected to the vertical part 2. The connector 3 can be assembled with the vertical part 2 and can also be disassembled as needed, increasing the convenience of use. A bending part 4 is set on the connector 3, realizing the addition of the bending part 4. A stop block 5 is detachably connected to the bending part 4, and one end of the stop block 5 is close to the vertical part 2. When the vertical part 2, connector 3, and bending part 4 are coordinated and hung on the hinge hook, the installed stop block 5 increases the anti-detachment performance, prevents it from falling off in the expansion mechanism of the variable diameter steel cage, increases the stability and durability of the expansion mechanism, and increases the life safety of construction personnel.

[0032] In this embodiment, preferably, the connector 3 is provided with a second positioning post 31, which realizes the addition of the second positioning post 31. The vertical part 2 is provided with a second positioning groove 21 that is adapted to the second positioning post 31. When the connector 3 is spliced ​​with the vertical part 2, the second positioning post 31 is inserted into the second positioning groove 21, which increases the positioning when the connector 3 is spliced ​​with the vertical part 2. The connector 3 is fitted with a threaded cylinder 6, which realizes the addition of the threaded cylinder 6. The outer wall of the vertical part 2 is provided with an external thread 22 that connects to the threaded cylinder 6. After the connector 3 is spliced ​​and positioned with the vertical part 2, the threaded cylinder 6 is rotated. The connection between the threaded cylinder 6 and the external thread 22 makes the splicing of the connector 3 with the vertical part 2 stable.

[0033] In this embodiment, preferably, the bending portion 4 and the connecting member 3 are an integral structure, which helps to increase the strength of the bending portion 4 and the connecting member 3. The stop block 5 and the bending portion 4 are provided with stabilizing components, including a groove 52 formed in the stop block 5, a screw 42 penetrating the bending portion 4 and extending into the groove 52, and a nut 520 disposed inside the groove 52 and connected to the screw 42. When the stop block 5 and the bending portion 4 are joined, the screw 42 is inserted through the bending portion 4 and into the groove 52 of the stop block 5, and then lifted. Nut 520 is tightened with screw 42, thereby enabling quick splicing of stop block 5 and bending part 4 and improving the efficiency of splicing of stop block 5 and bending part 4; a first positioning post 51 is provided on stop block 5, realizing the addition of the first positioning post 51; a first positioning groove 41 adapted to the first positioning post 51 is opened on bending part 4, realizing the opening of the first positioning groove 41. When stop block 5 and bending part 4 are spliced, the cooperation of the first positioning post 51 and the first positioning groove 41 is used to increase the positioning of stop block 5 and bending part 4.

[0034] Example 2

[0035] Please see Figure 1 , Figure 5 , Figure 6 This is the first embodiment of the present invention, which provides a spring for a telescopic mechanism of a variable diameter steel cage, including...

[0036] The torsion spring body 1 has a horizontal part 11 at its end, which helps to increase the strength of the torsion spring body 1 and the horizontal part 11, and a vertical part 2 is provided on the horizontal part 11, which helps to increase the strength of the torsion spring body 1, the horizontal part 11 and the vertical part 2.

[0037] The anti-detachment component includes a connector 3 that is detachably connected to the vertical part 2. The connector 3 can be assembled with the vertical part 2 and can also be disassembled as needed, increasing the convenience of use. A bending part 4 is set on the connector 3, realizing the addition of the bending part 4. A stop block 5 is detachably connected to the bending part 4, and one end of the stop block 5 is close to the vertical part 2. When the vertical part 2, connector 3, and bending part 4 are coordinated and hung on the hinge hook, the installed stop block 5 increases the anti-detachment performance, prevents it from falling off in the expansion mechanism of the variable diameter steel cage, increases the stability and durability of the expansion mechanism, and increases the life safety of construction personnel.

[0038] In this embodiment, preferably, the connector 3 is provided with a second positioning post 31, which realizes the addition of the second positioning post 31. The vertical part 2 is provided with a second positioning groove 21 that is adapted to the second positioning post 31. When the connector 3 is spliced ​​with the vertical part 2, the second positioning post 31 is inserted into the second positioning groove 21, which increases the positioning when the connector 3 is spliced ​​with the vertical part 2. The connector 3 is fitted with a threaded cylinder 6, which realizes the addition of the threaded cylinder 6. The outer wall of the vertical part 2 is provided with an external thread 22 that connects to the threaded cylinder 6. After the connector 3 is spliced ​​and positioned with the vertical part 2, the threaded cylinder 6 is rotated. The connection between the threaded cylinder 6 and the external thread 22 makes the splicing of the connector 3 with the vertical part 2 stable.

[0039] In this embodiment, preferably, the bending portion 4 and the connecting member 3 are an integral structure, which helps to increase the strength of the bending portion 4 and the connecting member 3. The stop block 5 and the bending portion 4 are provided with stabilizing components. The stabilizing components include a first semi-circular ring 7 disposed at one end of the stop block 5, which helps to increase the strength of the stop block 5 and the first semi-circular ring 7, and a second semi-circular ring 8 spliced ​​with the first semi-circular ring 7. The first semi-circular ring 7 and the second semi-circular ring 8 are sleeved on the outer wall of the bending portion 4. The addition of the stop block 5 is achieved by splicing the first semi-circular ring 7 and the second semi-circular ring 8 on the bending portion 4.

[0040] In this embodiment, preferably, the end of the first semicircular ring 7 is provided with a first fastening ear 71, thus adding the first fastening ear 71. The end of the second semicircular ring 8 is provided with a second fastening ear 81 connected to the first fastening ear 71, thus adding the second fastening ear 81. When the stop block 5 is installed, the stop block 5 is lifted, and the first semicircular ring 7 is clamped to the outer wall of the bent part 4. The second semicircular ring 8 is lifted, and the second semicircular ring 8 is clamped to the outer wall of the bent part 4, so that the first fastening ear 71 and the second fastening ear 81 fit together. The first fastening ear 71 and the second fastening ear 81 are fixed by bolts, thereby fixing the first semicircular ring 7 and the second semicircular ring 8 to the outer wall of the bent part 4, and finally achieving the stable installation of the stop block 5.

[0041] The working principle and usage process of this utility model are as follows: When in use, the second positioning post 31 is inserted into the second positioning groove 21 to increase the positioning when the connecting piece 3 is spliced ​​with the vertical part 2. The threaded cylinder 6 is rotated, and the connection between the threaded cylinder 6 and the external thread 22 makes the splicing of the connecting piece 3 and the vertical part 2 stable. The vertical part 2, the connecting piece 3, and the bent part 4 cooperate and are hung on the hinge hook. The stop block 5 and the bent part 4 are spliced ​​together. The installed stop block 5 increases the anti-detachment performance and prevents it from falling off in the expansion mechanism of the variable diameter steel cage, thereby increasing the stability and durability of the expansion mechanism and increasing the life safety of construction personnel.

[0042] Although embodiments of the present invention have been shown and described in detail above, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spring for a variable diameter cage expansion mechanism, characterised in that: The utility model relates to a torsion spring body (1), the end of torsion spring body (1) is provided with horizontal part (11), and the vertical part (2) is provided on horizontal part (11); Anti -drop subassembly includes the connecting piece (3) of detachable connection with vertical part (2), the bending part (4) of setting on connecting piece (3), the stopper (5) of detachable connection with bending part (4), and one end of stopper (5) is close to vertical part (2). Second locating column (31) is provided on connecting piece (3), and second locating groove (21) that is matched with second locating column (31) is formed on vertical part (2).

2. The variable diameter reinforcement cage expansion joint spring of claim 1, wherein: The threaded cylinder (6) is sleeved on connecting piece (3), and the outer wall of vertical part (2) is provided with external thread (22) connected with threaded cylinder (6).

3. The variable-diameter reinforcement cage expansion joint spring of claim 2, wherein: The bending part (4) and connecting piece (3) are integrated structure, and the stopper (5) and bending part (4) are provided with stable components.

4. The variable diameter reinforcement cage expansion joint spring of claim 1, wherein: The stable components include the recess (52) formed on the stopper (5), the screw rod (42) penetrating through the bending part (4) and extending to the inside of the recess (52), and the nut (520) arranged in the recess (52) and connected with the screw rod (42).

5. The variable-diameter reinforcement cage expansion joint spring of claim 4, wherein: First locating column (51) is provided on the stopper (5), and first locating groove (41) matched with first locating column (51) is formed on the bending part (4).

6. The variable-diameter reinforcement cage expansion joint spring of claim 5, wherein: The stable components include the first semicircular ring (7) arranged at one end of the stopper (5), the second semicircular ring (8) spliced with the first semicircular ring (7), and the first semicircular ring (7) and the second semicircular ring (8) are sleeved on the outer wall of the bending part (4).

7. The variable diameter reinforcement cage expansion joint spring of claim 4, wherein: The end of the first semicircular ring (7) is provided with the first fastening ear (71), and the end of the second semicircular ring (8) is provided with the second fastening ear (81) connected with the first fastening ear (71).

8. The variable-diameter reinforcement cage expansion joint spring of claim 7, wherein: ​

Images