Elevator guide rail clamping device

Abstract

The utility model discloses an elevator guide rail clamping device, elevator guide rail clamping device includes: base, clamping mechanism and drive mechanism, clamping mechanism is movably installed in the base, and drive mechanism is rotatably installed in the base, and the base is provided with the extension spring, and one end of extension spring is connected with drive mechanism, and the other end of extension spring is connected with base, drive mechanism includes: drive part, and drive part has first rotary rod and a plurality of symmetrical distribution's connecting block, a plurality of connecting blocks are set on first rotary rod, and a plurality of connecting blocks are located in the intermediate region of first rotary rod, and connecting block swings under the drive of first rotary rod, and then drive clamping mechanism converts between clamping state and loosening state, the utility model discloses through setting clamping mechanism and drive mechanism, and drive mechanism drives clamping mechanism to convert between clamping state and loosening state, reduces the step of drive mechanism receiving corresponding electric signal, improves the working stability of elevator guide rail clamping device.

Description

Technical Field

[0001] This utility model relates to the field of elevator technology, and in particular to an elevator guide rail clamping device. Background Technology

[0002] During elevator installation or dismantling, construction workers need a work platform to assist in their work. During construction, the work platform needs to move up and down within the shaft and use the elevator guide rail clamping device to stop at designated positions, allowing workers to perform their tasks in the corresponding locations.

[0003] Most elevator guide rail clamping devices on the market currently use motor-driven or cylinder-driven wedges to clamp the elevator guide rails or drive the corresponding wedges to release them. However, the signal is unstable when working in the elevator shaft, causing the signal received by the motor or cylinder to be sometimes strong and sometimes weak, resulting in unstable operation of the elevator guide rail clamping device. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art. This utility model provides an elevator guide rail clamping device. By setting a clamping mechanism and a driving mechanism, the driving mechanism drives the clamping mechanism to switch between the clamping state and the loosening state, reducing the steps of the driving mechanism to receive the corresponding electrical signals and improving the working stability of the elevator guide rail clamping device.

[0005] Accordingly, this utility model proposes an elevator guide rail clamping device, which includes: a base, a clamping mechanism and a driving mechanism;

[0006] The clamping mechanism is movably mounted in the base, the driving mechanism is rotatably mounted in the base, the base is provided with a tension spring, one end of the tension spring is connected to the driving mechanism, and the other end of the tension spring is connected to the base;

[0007] The driving mechanism includes a driving part, which has a first rotating rod and a plurality of symmetrically distributed connecting blocks. The plurality of connecting blocks are sleeved on the first rotating rod and are located in the middle region of the first rotating rod.

[0008] The multiple connecting blocks are driven to swing by the first rotating rod, thereby driving the clamping mechanism to switch between a clamped state and a released state.

[0009] Preferably, the components include two symmetrically distributed wedges, two limiting rods located at the bottom of the corresponding wedges, two symmetrically distributed reset springs, and a connecting plate.

[0010] Each of the wedges is located above the connecting plate, and each of the wedges is connected to the connecting plate based on the limiting rod, and the limiting rod is at the bottom of the connecting plate and the base;

[0011] Each of the aforementioned reset springs is sleeved on the corresponding limiting rod, and one end of each of the aforementioned reset springs is connected to the connecting plate, while the other end of the reset spring is connected to the bottom of the base.

[0012] Preferably, any of the limiting rods is provided with a plurality of limiting nuts, two of the plurality of limiting nuts respectively abut against the upper and lower end faces of the connecting plate, and one of the plurality of limiting nuts is located at one end of the two ends of the limiting rod.

[0013] Preferably, the base is provided with a plurality of dampers, and the plurality of dampers are adapted to abut against the connecting plate.

[0014] Preferably, a connecting rod is provided on one end of the plurality of connecting blocks away from the clamping mechanism, and the connecting rod connects the plurality of connecting blocks.

[0015] Preferably, the connecting end of any of the connecting blocks extends outward to form a semi-circular snap-fit ​​frustum.

[0016] Preferably, the drive mechanism further includes a fixing part, which is installed in the base and is located on the side of the drive part away from the clamping mechanism;

[0017] The fixed end of the fixing part is driven by an external force and is adapted to connect with the connecting rod.

[0018] Preferably, the fixing part includes: a fixing hook and a second rotating rod, one end of the fixing hook is fixedly connected to the second rotating rod, and the fixing hook is driven by the second rotating rod to rotate around the connection point between the fixing hook and the second rotating rod as the center.

[0019] Preferably, a safety device is provided on the upper surface of the base, and a mounting plate is provided on the bottom of the mounting device, and the safety device is fixedly connected to the base based on the mounting plate.

[0020] Preferably, the mounting plate has reinforcing ribs, one side of which is fixedly connected to the connecting plate, and the other side of which is fixedly connected to the safety device.

[0021] The beneficial effects of this utility model are:

[0022] This invention incorporates a drive mechanism and a clamping mechanism. The drive mechanism drives the clamping mechanism to change its working state, switching it between a clamping state and a loosening state. This avoids the drive mechanism receiving corresponding electrical signals before commencing operation, reducing the steps involved in receiving these signals and improving the working stability of the elevator guide rail clamping device. Furthermore, this invention includes a tension spring that maintains the balance of the drive mechanism at corresponding positions, allowing it to remain stationary and continuously exert force on the clamping mechanism. This facilitates the clamping mechanism maintaining a clamped or loosened state for extended periods. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the elevator guide rail clamping device in this utility model;

[0025] Figure 2 This is a schematic diagram of the first structure of the elevator guide rail clamping device in the clamping state in this utility model;

[0026] Figure 3 This is a second structural schematic diagram of the elevator guide rail clamping device in the clamping state in this utility model;

[0027] Figure 4 yes Figure 3 Enlarged view of point A in the image;

[0028] Figure 5 This is a schematic diagram of the first structure of the elevator guide rail clamping device in the released state in this utility model;

[0029] Figure 6 This is a second structural schematic diagram of the elevator guide rail clamping device in the released state in this utility model;

[0030] Figure 7 yes Figure 6 Enlarged view of point A in the image;

[0031] Figure 8 This is a schematic diagram of the clamping mechanism in this utility model;

[0032] Figure 9 This is a schematic diagram of the resulting structure of the drive mechanism in this utility model.

[0033] In the attached diagram: 1. Base; 11. Damper; 2. Clamping mechanism; 21. Wedge block; 22. Return spring; 23. Connecting plate; 24. Limiting rod; 241. Limiting nut; 3. Drive mechanism; 31. Drive unit; 311. First rotating rod; 312. Connecting block; 3121. Snap-fitting frustum; 313. Connecting rod; 32. Fixing unit; 321. Fixing hook; 322. Second rotating rod; 4. Tension spring; 5. Safety device; 51. Mounting plate; 52. Reinforcing rib. Detailed Implementation

[0034] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0035] Figure 1 This invention provides a schematic diagram of the elevator guide rail clamping device. Figure 2 This diagram shows the first structural schematic of the elevator guide rail clamping device in the clamping state according to the present invention. Figure 3 This diagram shows a second structural schematic of the elevator guide rail clamping device in the clamping state according to the present invention. Figure 4 It shows Figure 3 Enlarged view of point A in the image. Figure 5 This diagram shows the first structural schematic of the elevator guide rail clamping device in the released state according to the present invention. Figure 6 This diagram shows a second structural schematic of the elevator guide rail clamping device in the released state according to the present invention. Figure 7 It shows Figure 6 Enlarged view of point A in the image. Figure 8 A schematic diagram of the clamping mechanism in this utility model is shown. Figure 9A schematic diagram of the resulting structure of the drive mechanism in this utility model is shown. The elevator guide rail clamping device includes: a base 1, a clamping mechanism 2, and a drive mechanism 3. The clamping mechanism 2 is movably installed in the base 1, and the drive mechanism 3 is rotatably installed in the base 1. The base 1 is provided with a tension spring 4, one end of which is connected to the drive mechanism 3, and the other end of which is connected to the base 1. The drive mechanism 3 includes: a drive part 31, which has a first rotating rod 311 and a plurality of symmetrically distributed connecting blocks 312. The plurality of connecting blocks 312 are sleeved on the first rotating rod 311, and the plurality of connecting blocks 312 are located in the middle region of the first rotating rod 311. The plurality of connecting blocks 312 are driven by the first rotating rod 311 to swing, thereby driving the clamping mechanism 2 to switch between a clamping state and a loosening state. In this embodiment, the clamping mechanism 2 is used to clamp the corresponding elevator guide rail, and the driving mechanism 3 is used to drive the clamping mechanism 2 to change its working state, that is, to drive the clamping mechanism 2 to switch between a clamping state and a loosening state. This avoids the driving mechanism 3 receiving the corresponding electrical signal before it can work, reduces the steps of the driving mechanism 3 receiving the corresponding electrical signal, and improves the working stability of the elevator guide rail clamping device. The tension spring 4 is used to maintain the balance of the driving mechanism 3 at the corresponding position, so that the driving mechanism 3 can remain stationary at the corresponding position to continuously output force to the clamping mechanism 2, which is beneficial for the clamping mechanism 2 to maintain the clamping state or loosening state for a long time.

[0036] Specifically, two connecting blocks are provided on the first rotating rod. The two connecting blocks are symmetrically distributed based on the center point of the first rotating rod, ensuring that the two connecting blocks can apply force symmetrically and automatically meet the torque balance condition of the connecting plate, reducing the risk of one side of the connecting plate being unbalanced due to eccentric load. The fixed end of any connecting block 312 is fixedly connected to the first rotating rod 311, and the connecting block 312 is driven by the first rotating rod 311 to rotate around the connection point between the connecting block 312 and the first rotating rod 311. Both ends of the first rotating rod 311 can be rotatably inserted into two opposite side walls of the base 1, ensuring that the base 1 provides sufficient support for the first rotating rod 311 from both ends, preventing the first rotating rod 311 from tilting during use, which would cause one of the two connecting blocks 312 to exert a force on the connecting plate 23, causing unnecessary impact on the elevator guide rail clamping device, and thus contributing to the stability of the elevator guide rail clamping device. Secondly, the two connecting blocks 312 are fixedly connected to the first rotating rod 311, meaning that when the first rotating rod 311 rotates, it can drive the two connecting blocks 312 to rotate around the connection point between the connecting block 312 and the first rotating rod 311. The two connecting blocks 312 are located in the middle area of ​​the first rotating rod 311, which facilitates the driving of the clamping mechanism 2 by the connecting blocks 312, thereby changing its working state.

[0037] Furthermore, the clamping mechanism 2 includes: two symmetrically distributed wedges 21, two limiting rods 24 located at the bottom of the corresponding wedges, two symmetrically distributed return springs 22, and a connecting plate 23; any one of the wedges 21 is located above the connecting plate 23, and any one of the wedges 23 is connected to the connecting plate 23 based on the limiting rod 24, and the limiting rod 24 is located at the bottom of the connecting plate 23 and the base 1; any one of the return springs 22 is sleeved on the corresponding limiting rod 24, and one end of any one of the return springs 22 is connected to the connecting plate 23, and the other end of the return spring 22 is connected to the bottom of the base 1. The two wedges 21 are symmetrically distributed based on the center point of the connecting plate 23, and the two return springs 22 are symmetrically distributed based on the center point of the connecting plate 23. This ensures that the two return springs 22 can output force simultaneously on both sides of the connecting plate 23, avoiding the risk that one side of the connecting plate 23 is higher than the other. This facilitates the simultaneous movement of both sides of the connecting plate 23, thereby pushing the two wedges 21 to move simultaneously, and realizing the clamping mechanism clamping the elevator guide rail. In this embodiment, the limiting rod 24 passes through the connecting plate 23 and is also connected to the connecting plate 23, so that when the connecting plate 23 moves, it drives the limiting rod 24 to move. When the driving mechanism 3 swings forward, it drives the driving mechanism 3 to move towards the return spring 22. The connecting plate 23 drives the limiting rod 24 to move, and the limiting rod 24 pulls the corresponding wedge 21 to move, so that the two wedges 21 move away from each other, thereby realizing the release state of the clamping mechanism 2. At the same time, when the connecting plate 23 moves, it exerts a force on the two return springs 22, so that the return springs 22 are compressed. When the drive mechanism 3 swings in the opposite direction, so that the drive mechanism 3 exerts no force on the connecting plate 23, the reset spring 22 exerts a reaction force on the connecting plate 23, pushing the connecting plate 23 to move. The connecting plate 23 drives the limiting rod 24 to move, thereby pushing the two corresponding wedges 21 to move closer to each other, so that the two wedges 21 fit against the corresponding elevator guide rail and clamp the elevator guide rail, so as to realize the clamping state of the clamping mechanism 2.

[0038] It should be noted that the reset spring 22 is sleeved on the limiting rod 24. The limiting rod 24 can restrict the reset spring 22 within its range of motion, preventing uneven force distribution that could cause left-right swaying when the reset spring 22 is compressed. The limiting rod 24 can exert a force on the reset spring 22 when it sways left-right, limiting its sway range and reducing the risk of the reset spring 22 detaching from the bottom of the connecting plate 23 and the base 1.

[0039] Furthermore, each of the limiting rods 24 is provided with a plurality of limiting nuts 241. Two of the plurality of limiting nuts 241 abut against the upper and lower end faces of the connecting plate 23, respectively, and one of the plurality of limiting nuts 241 is located at the end of the limiting rod 24 near the bottom of the base 1. In this embodiment, each of the limiting rods 24 is provided with three limiting nuts 241. Two of the three limiting nuts 241 abut against the two ends of the connecting plate 23, respectively. These two limiting nuts 241 are the first limiting nut and the second limiting nut. There is a certain gap between the first limiting nut and the second limiting nut, and one side of the connecting plate 23 is located in this gap. The first limiting nut and the second limiting nut clamp the connecting plate 23 in this way, ensuring that when the connecting plate 23 is driven by the driving mechanism 3 to move, it can drive the limiting rod 24 to move. In turn, the limiting rod 24 drives the corresponding wedge block 21 to move, so as to clamp or release the elevator guide rail. The remaining limiting nut 241, located at the end of the limiting rod 24 near the bottom of the base 1, is the third limiting nut. The third limiting nut is used to limit the movement range of the limiting rod 24. When the limiting rod 24 moves the wedge 21 to the highest position, that is, when the two wedges 21 are in close contact with the corresponding elevator guide rails, the upper end face of the third limiting nut abuts against the bottom of the base 1. The bottom of the base 1 exerts a force on the third limiting nut to limit the third limiting nut from moving further toward the base 1, thereby limiting the upward movement of the limiting rod 24. This limits the movement range of the limiting rod 24 and ensures that the wedges 21 can clamp the corresponding elevator guide rails.

[0040] Furthermore, the base 1 is provided with multiple dampers 11, which are adapted to abut against the connecting plate 23. In this embodiment, the base 1 is provided with two dampers 11, which are used to slow down the moving speed of the connecting plate 23, preventing the connecting plate 23 from quickly driving the limiting rod 24 to move, and thus quickly driving the corresponding wedge 21 to move, causing the contact stress of the wedge 21 to instantly exceed the material yield limit and deform. This helps to reduce the risk of deformation of the wedge 21, thereby extending the service life of the wedge 21. When the connecting plate 23 moves upward by the driving mechanism 3, after the connecting plate 23 moves upward a certain distance, the output ends of the two dampers 11 abut against the connecting plate 23 from two different points. This avoids the damper 11 having to bear all the lateral force when abutting at a single point, which would cause the connecting plate 23 to generate a bending moment. This helps to reduce the risk of the connecting plate 23 overturning or bending, and ensures the stability of the elevator guide rail clamping device.

[0041] Furthermore, the driving mechanism 3 also includes a fixing part 32, which is installed inside the base 1 and located on the side of the driving part 31 away from the clamping mechanism 2. The fixing end of the fixing part is driven by an external force to connect with the connecting rod. The fixing part 32 is located on the side of the driving part 31 away from the clamping mechanism 2, which facilitates the direct connection of the fixing part 32 with the connecting rod 313, reduces the connection stroke between the fixing part 32 and the connecting rod 313, and makes the structure more compact. The fixing part 32 is used to temporarily fix the driving part 31 in a designated position. When the fixing part 32 is connected to the connecting rod 313, the fixing part 32 exerts a force on the connecting rod 313 to keep the entire driving part 31 in the designated position. In this way, the driving part 31 outputs a force to the clamping mechanism 2 for a long time, so that the clamping mechanism 2 can be in a loose or clamped state for a long time. When the clamping mechanism 2 switches from the loose state to the clamping state, and the fixing part 32 is not connected to the connecting rod 313, the fixing part 32 exerts no force on the driving part 31. The return spring 22 exerts a reaction force on the connecting plate 23. The connecting plate 23 pushes the output end of the driving plate, causing the driving part 31 to swing in the opposite direction. At the same time, it pushes the corresponding limiting rod 24, causing the limiting rod 24 to pull the corresponding wedge 21 to move, so that the two wedges 21 move closer to each other, thereby achieving the clamping state of the clamping mechanism 2. When the clamping mechanism 2 switches from the clamping state to the loose state, the fixing part 32 remains connected to the connecting rod 313. This ensures that after the driving part 31 applies pressure to the connecting plate 23, and the connecting plate 23 moves to the corresponding position, the fixing part 32 can promptly fix the driving part 31, keeping the connecting plate 23 fixed in the corresponding position. This means that even after the clamping mechanism 2 switches to the loose state, it can still maintain the loose state.

[0042] Specifically, the two connecting blocks 312 are fixedly connected to the first rotating rod 311. That is, when the first rotating rod 311 rotates, it can drive the two connecting blocks 312 to rotate around the connection point between the connecting block 312 and the first rotating rod 311. When the first rotating rod 311 rotates in the forward direction, it drives the two connecting blocks 312 to rotate in the forward direction, so that the two connecting blocks 312 rest on the connecting plate 23. As the first connecting rod 313 continues to rotate, the two connecting blocks 312 continuously output force to the connecting plate 23, causing the connecting plate 23 to move away from the wedge block 21, thereby compressing the return spring 22 and driving the limiting rod 24 to move, so that the two wedge blocks 21 separate from each other and achieve a released state. When the first rotating rod 311 rotates in the opposite direction, it drives the two connecting blocks 312 to rotate in the opposite direction, so that the two connecting blocks 312 are not in contact with the connecting plate 23. The return spring 22 has a reaction force on the connecting plate 23, pushing the connecting plate 23 towards the wedge block 21, driving the limiting rod 24 to move, so that the two wedge blocks 21 are close to each other until the first rotating rod 311 rotates to the maximum angle, and the connecting plate 23 contacts the two connecting blocks 312. During this process, the connecting plate 23 drives the corresponding limiting rod 24 to move to the position where the limiting nut 241 at one end of the limiting rod 24 abuts against the bottom of the base 1, so that the two wedge blocks 21 are tightly attached to the corresponding elevator guide rail.

[0043] It should be noted that a connecting rod 313 is provided on the upper part of the two connecting blocks 312 near the fixing part 32. The connecting rod 313 passes through the two connecting blocks 312 and fixes the two connecting blocks 312 together. The connecting rod 313 facilitates the connection between the entire driving part 31 and the fixing part 32, so that the fixing part 32 can temporarily fix the driving part 31 in the corresponding position.

[0044] Furthermore, the connecting end of any of the connecting blocks 312 extends outward to form a semi-circular snap-fit ​​frustum 3121. The snap-fit ​​frustum 3121 is used to strengthen the connection between the connecting block 312 and the connecting plate 23. When the connecting block 312 overlaps the connecting plate 23, the edge of the connecting plate 23 abuts against the root of the snap-fit ​​frustum 3121. The edges of the snap-fit ​​frustum 3121 and the connecting plate 23 mutually restrict their range of movement, preventing the connecting plate 23 and the connecting block 312 from separating, ensuring that the connecting plate 23 and the connecting block 312 always remain in contact, and ensuring that the connecting block 312 can apply pressure to the connecting plate 23, enabling the connecting plate 23 to move, thereby driving the clamping mechanism 2 to switch between the clamping state and the releasing state.

[0045] Furthermore, the fixing part 32 includes a fixing hook 321 and a second rotating rod 322. One end of the fixing hook 321 is fixedly connected to the second rotating rod 322, and the fixing hook 321 is driven by the second rotating rod 322 to rotate around the connection point between the fixing hook 321 and the second rotating rod 322. The fixing hook 321 is fixedly connected to the second rotating rod 322, meaning that when the second rotating rod 322 rotates, it can drive the fixing hook 321 to rotate. The fixing hook 321 is connected to the tension spring 4. When the fixing hook 321 rotates due to the second rotating rod 322, the tension spring 4 is compressed or stretched, and thus the tension spring 4 exerts a reaction force on the fixing hook 321, causing the fixing hook 321 to return to its original position. When the clamping mechanism 2 is in the loose state, the fixing hook 321 hooks the connecting rod 313 to fix the driving part 31 in the corresponding position, so that the connecting block 312 always exerts a force on the connecting plate 23, that is, the connecting plate 23 exerts a force on the return spring 22, to ensure that the clamping mechanism 2 is in the loose state; when the clamping mechanism 2 is in the clamping state, the fixing hook 321 hooks the connecting rod 313 to fix the driving part 31 in the corresponding position, so that the connecting block 312 rests on the connecting plate 23, and the connecting block 312 exerts no force on the connecting plate 23, that is, the compression spring exerts a reaction force on the connecting plate 23, pushing the connecting plate 23 to move, thereby making the clamping mechanism 2 in the loose state. When the clamping mechanism 2 switches from the loose state to the clamping state, both the connecting rod 313 and the fixed hook 321 swing in the positive direction, and the radius of motion of the fixed hook 321 is greater than the radius of motion of the connecting rod 313, so that the connecting rod 313 disengages from the fixed hook 321. At the same time as disengagement, the connecting block 312 exerts no force on the connecting plate 23, and the compression spring exerts a reaction force on the connecting plate 23, pushing the connecting plate 23 to move towards the wedge block 21, thereby achieving the clamping state. As the two wedges 21 approach each other and fit against the corresponding elevator guide rail, the connecting rod 313 swings from a state of being disengaged from the fixed hook 321 to a state of fitting against the side of the fixed hook 321 near the drive part 31. At this time, the tension spring 4 exerts a reaction force on the fixed hook 321, pulling the fixed hook 321 to swing in the opposite direction to reset it. During the reset process of the fixed hook 321, the fixed hook 321 moves along the surface of the connecting rod 313, and finally the fixed hook 321 hooks the connecting rod 313 again, so that the clamping mechanism 2 can continuously maintain the clamping state.

[0046] It should be noted that the side of the fixing hook 321 near the driving part 31 is recessed to form an arc surface. The arc surface is used to guide the movement of the connecting rod 313. When the two connecting blocks 312 rotate, they drive the connecting rod 313 to move. The connecting rod 313 moves along the arc surface until the connecting rod 313 enters the fixing hook 321 along the arc surface and the fixing hook 321 hooks the connecting rod 313 to fix the driving part 31.

[0047] Furthermore, a safety device 5 is provided on the upper surface of the base 1, and a mounting plate 51 is provided on the bottom of the mounting device. The safety device 5 is fixedly connected to the base 1 based on the mounting plate 51. The safety device 5 is used to clamp the elevator guide rail in time in the event of a malfunction, so that the elevator stops in a short time and reduces the risk of the elevator falling. The mounting plate 51 is used to increase the contact area between the mounting device and the base 1, thereby increasing the installation area of ​​the mounting device and reducing the risk of the mounting device detaching from the base 1 during use.

[0048] Furthermore, the mounting plate 51 has reinforcing ribs 52, one side of which is fixedly connected to the mounting plate 51, and the other side of which is fixedly connected to the safety device 5. The reinforcing ribs 52 strengthen the connection between the mounting plate 51 and the safety device 5. The right-angled edges of the reinforcing ribs 52 effectively disperse shear stress, preventing localized stress concentration and reducing the risk of bending of the mounting plate 51, which could cause the safety device 5 to deviate at a certain angle. This prevents the safety device 5 from failing to align with the elevator track, thus ensuring that the safety device 5 remains in the correct position and can promptly stop the elevator guide rail clamping device in case of a malfunction.

[0049] In summary, this utility model, by setting up a driving mechanism and a clamping mechanism, uses the driving mechanism to drive the clamping mechanism to change its working state, that is, to drive the clamping mechanism to switch between a clamping state and a loosening state. This avoids the driving mechanism receiving the corresponding electrical signal before it can work, reduces the steps required for the driving mechanism to receive the corresponding electrical signal, and improves the working stability of the elevator guide rail clamping device. This utility model also includes a tension spring, which maintains the balance of the driving mechanism at the corresponding position, allowing the driving mechanism to remain stationary at the corresponding position to continuously output force to the clamping mechanism. This is beneficial for the clamping mechanism to maintain a clamping or loosening state for a long time.

[0050] Furthermore, the elevator guide rail clamping device provided by the embodiments of this utility model has been described in detail above. Specific examples have been used in this article to illustrate the principle and implementation of this utility model. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. An elevator guide rail clamping device, characterized in that, The elevator guide rail clamping device includes: a base, a clamping mechanism, and a drive mechanism; The clamping mechanism is movably mounted in the base, the driving mechanism is rotatably mounted in the base, the base is provided with a tension spring, one end of the tension spring is connected to the driving mechanism, and the other end of the tension spring is connected to the base; The driving mechanism includes a driving part, which has a first rotating rod and a plurality of symmetrically distributed connecting blocks. The plurality of connecting blocks are sleeved on the first rotating rod and are located in the middle region of the first rotating rod. The multiple connecting blocks are driven to swing by the first rotating rod, thereby driving the clamping mechanism to switch between a clamped state and a released state.

2. The elevator guide rail clamping device according to claim 1, characterized in that, The clamping mechanism includes: two symmetrically distributed wedges, two limiting rods located at the bottom of the corresponding wedges, two symmetrically distributed return springs, and a connecting plate; Each of the wedges is located above the connecting plate, and each of the wedges is connected to the connecting plate based on the limiting rod, and the limiting rod is at the bottom of the connecting plate and the base; Each of the aforementioned reset springs is sleeved on the corresponding limiting rod, and one end of each of the aforementioned reset springs is connected to the connecting plate, while the other end of the reset spring is connected to the bottom of the base.

3. The elevator guide rail clamping device according to claim 2, characterized in that, Each of the limiting rods is provided with a plurality of limiting nuts, two of which abut against the upper and lower end faces of the connecting plate respectively, and one of the limiting nuts is located at one end of the two ends of the limiting rod.

4. The elevator guide rail clamping device according to claim 2, characterized in that, The base is provided with a plurality of dampers, which are adapted to abut against the connecting plate.

5. The elevator guide rail clamping device according to claim 1, characterized in that, A connecting rod is provided on one end of each of the connecting blocks away from the clamping mechanism, and the connecting rod connects the multiple connecting blocks.

6. The elevator guide rail clamping device according to claim 1, characterized in that, The connecting end of any of the connecting blocks extends outward to form a semi-circular snap-fit ​​frustum.

7. The elevator guide rail clamping device according to claim 5, characterized in that, The driving mechanism further includes a fixing part, which is installed inside the base and is located on the side of the driving part away from the clamping mechanism; The fixed end of the fixing part is driven by an external force and is adapted to connect with the connecting rod.

8. The elevator guide rail clamping device according to claim 7, characterized in that, The fixing part includes: a fixing hook and a second rotating rod. One end of the fixing hook is fixedly connected to the second rotating rod, and the fixing hook is driven by the second rotating rod to rotate around the connection point between the fixing hook and the second rotating rod as the center.

9. The elevator guide rail clamping device according to claim 2, characterized in that, A safety device is provided on the upper surface of the base, and a mounting plate is provided at the bottom of the safety device. The safety device is fixedly connected to the base based on the mounting plate.

10. The elevator guide rail clamping device according to claim 9, characterized in that, The mounting plate has reinforcing ribs, one side of which is fixedly connected to the connecting plate, and the other side of which is fixedly connected to the safety device.

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