Base for assembly type ladder cage
By designing a base for prefabricated ladder cage including a base body, U-shaped card plate, limit groove, threaded sleeve and baffle, the problem of unstable ladder cage base is solved and higher stability and safety is achieved.
Patent Information
- Application Number
- CN202421831260.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The existing ladder cage installation base is prone to instability during use, resulting in loosening or collapse of the bolts, affecting construction safety.
A prefabricated ladder cage base is designed, including the base body, U-shaped card plate, limit groove, threaded sleeve and baffle. Through the cooperation of these components, the rapid installation and stable connection of the ladder cage base is achieved.
It effectively prevents the bolt from loosening or collapse during long-term use and vibration, enhances the stability and safety of the cage base, and ensures the safety of construction personnel.
Smart Images

Figure CN222862982U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a base for an assembled ladder cage. Background Art
[0002] In the construction of bridge projects such as highways, national and provincial trunk roads, ladder cages are often used as up and down passages when working at high altitudes such as bridge piers, cap beams, and box beams. Ladder cages are divided into various forms such as side ladder cages and fully enclosed ladder cages.
[0003] The stability and safety of the cage installation base are of vital importance. The cage is a vertical transportation device commonly used on construction sites for the transportation of personnel and materials. However, during the construction of the cage foundation, the existing cage installation base usually adopts a precast concrete foundation, in which multiple threaded sleeves are pre-buried in advance. The threaded holes on the connecting pieces at the four bottom corners of the cage bottom column correspond to the threaded sleeves on the concrete foundation, and then are fastened with bolts. Although this foundation can provide a certain degree of stability, it cannot firmly fix the base, causing the cage to shake or tilt during use. Long-term use and up and down vibrations can cause the bolts to loosen or even collapse, causing the cage to be unstable, posing a threat to the safety of construction workers. Utility Model Content
[0004] The utility model provides a base for an assembled ladder cage, which can solve the problem that the ladder cage base and the ladder cage are not firmly installed in the prior art, which easily causes the bolts to loosen.
[0005] According to the utility model, a prefabricated base for a ladder cage includes: a base body, the base body includes a pier block, and two U-shaped clamping plates arranged on the pier block, the two clamping plates and the pier block together constitute a limiting groove for the connecting piece at the bottom corner of the ladder cage base to extend into, a plurality of threaded sleeves corresponding to the threaded holes on the connecting piece are arranged in the limiting groove, a through hole connected to the limiting groove is arranged on the side wall of the clamping plate, a baffle is arranged at the through hole, and the baffle is used to limit the connecting piece through the through hole after the connecting piece extends into the limiting groove.
[0006] The two U-shaped clamping plates in the utility model form a limiting groove, which facilitates the insertion of the connecting piece at the bottom corner of the ladder cage base, thereby realizing rapid installation.
[0007] The multiple threaded sleeves in the limiting groove of the utility model cooperate with the threaded holes on the connecting piece, thereby enhancing the stability and safety of the ladder cage base.
[0008] Through the cooperation of the threaded sleeve and the baffle in the utility model, the bolts can be effectively prevented from loosening or falling out even after long-term use and vibration, thereby ensuring the safety of construction workers.
[0009] Preferably, a limit lock is provided on one side of the bottom of the baffle, and first slide rails are connected to both sides of the inner wall of the limit groove by screws. The first slide rail is used to cooperate with the baffle for the baffle to slide, and a mounting box is connected to one side of the bottom of the first slide rail by screws. A first through hole is provided on the inner wall of the mounting box, and a rotating shaft is connected to the inside of the first through hole through a bearing. A right-angle rod is connected to one side of the rotating shaft by bolts, and a reset spring is connected to the bottom of the horizontal side of the right-angle rod. A limit lock block is welded to the top of the horizontal end of the right-angle rod, and the limit lock block is clamped in the limit lock.
[0010] In the utility model, the baffle can be effectively limited by the design of the baffle to prevent the connecting piece extending into the limit groove from accidentally falling out, further enhancing the stability of the ladder cage base. The limit lock of the baffle is connected with the limit lock block, making the baffle more stable in the locked state and not easy to be accidentally opened due to external force. The coordinated use of the first slide rail, the installation box, the rotating shaft, the right-angle rod and other components realizes the convenient opening and closing and locking of the baffle, and improves the operating efficiency. The first slide rail drives the baffle to slide. When the baffle moves to the specified position, the reset spring can drive the right-angle rod to adjust the angle on the rotating shaft, and can drive the upper limit lock block of the right-angle rod to be connected to the limit lock, so as to self-lock the baffle, which is convenient and quick.
[0011] Preferably, a pressing rod is provided at the bottom end of the right-angle rod, and the pressing rod passes through the interior of one side close to one end of the limiting groove, and the pressing rod is used to cooperate with the limiting locking block to limit the baffle.
[0012] The utility model realizes convenient limiting of the baffle plate through the cooperation of the pressing rod and the limiting locking block, further improving the operating efficiency. The baffle plate can be released by pressing down the pressing rod. When the pressing rod is not in use, the reset spring can reset the pressing rod and the limiting locking block, reducing the possibility of the baffle plate being opened or closed due to improper operation, thereby enhancing the safety of the elevator cage.
[0013] Preferably, a fixing block is provided at the outer wall of the through hole away from the first slide rail, and the fixing block is located at the lower side of the baffle and abuts against the baffle.
[0014] In the utility model, the design of the fixing block can effectively abut the baffle to prevent it from accidentally moving or falling off in a non-operating state. The fixing block also plays a supporting role for the baffle, making the baffle less likely to deform or be damaged during long-term use.
[0015] Preferably, the number of the threaded sleeves is 4, and the 4 threaded sleeves form a rectangular connection structure.
[0016] In the utility model, a rectangular connection structure is formed by four threaded sleeves, so that the connection between the cage base and the connecting plate is more stable and uniform, which effectively disperses the force and vibration of the cage base and reduces the damage or deformation caused by excessive local force.
[0017] Preferably, a lifting ring is provided at the base, which includes a first lifting ring and a second lifting ring. The first lifting ring is distributed at the left end of the upper end surface of the base, and the second lifting ring is distributed at the right end of the upper end surface of the base. One end of the lifting ring is fixedly arranged inside the base, and the other end of the lifting ring extends out of the upper end surface of the base to form an inverted U-shaped structure.
[0018] In the utility model, the arrangement of the lifting ring facilitates the lifting and moving of the ladder cage base, thereby improving the convenience and efficiency of the construction. The inverted U-shaped structure of the lifting ring makes it more stable and not easy to fall off during the lifting process, thereby ensuring the safety of the construction. Lifting rings are respectively arranged at the left and right ends of the upper end surface of the base, which also facilitates the balanced lifting of the ladder cage base and prevents it from tilting or overturning during the lifting process.
[0019] Preferably, the lifting ring is made of round steel with a diameter of 16 mm.
[0020] In the utility model, the lifting ring is made of round steel with a diameter of 16 mm, has sufficient strength and load-bearing capacity, and ensures the safety of lifting.
[0021] Preferably, a handle is fixedly connected to one end of the baffle away from the clamping plate.
[0022] In the utility model, the arrangement of the handle facilitates the operator to perform opening and closing operations on the baffle, thereby improving the convenience of operation and reducing safety hazards such as damage or scratches caused by direct operation of the baffle.
[0023] Preferably, a flat-bottomed nut is provided at one end of the clamping plate away from the through hole, and the flat-bottomed nut is fixedly connected to the base.
[0024] In the utility model, the clamping plate can be firmly fixed on the base through the provision of the flat-bottomed nut, thereby enhancing the overall structural strength of the cage base and reducing the potential safety hazard caused by the loosening of the clamping plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 Schematic diagram of the base for the assembled ladder cage.
[0026] Figure 2 It is a front view of the base for the assembled ladder cage.
[0027] Figure 3 This is a schematic diagram of the card board.
[0028] Figure 4 This is an enlarged view of the mounting box in the pallet. DETAILED DESCRIPTION
[0029] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.
[0030] Example 1
[0031] like Figure 1-4 As shown, the present embodiment provides a base for an assembled ladder cage, which includes a base body 100, the base body 100 includes a pier block 150, and two U-shaped clamping plates 110 arranged on the pier block, the two clamping plates 110 and the pier block 150 together constitute a limiting groove 120 for the connecting piece at the bottom corner of the ladder cage base to extend into, a plurality of threaded sleeves 130 corresponding to the threaded holes on the connecting piece are provided at the bottom of the limiting groove 120, a through hole 111 connected to the limiting groove 120 is provided at the side wall of the clamping plate 110, a baffle 112 is provided at the through hole 111, and the baffle 112 is used to limit the connecting piece through the through hole 111 after the connecting piece extends into the limiting groove 120.
[0032] In this embodiment, the two U-shaped clamping plates 110 form a limiting groove 120, which facilitates the insertion of the connecting piece at the bottom corner of the cage base, thereby achieving rapid installation.
[0033] The cooperation between the multiple threaded sleeves 130 in the limiting grooves 120 and the threaded holes on the connecting plate in this embodiment enhances the stability and safety of the cage base.
[0034] Through the cooperation between the threaded sleeve 130 and the baffle 112 in this embodiment, the bolts can be effectively prevented from loosening or falling out even after long-term use and vibration, thereby ensuring the safety of construction workers.
[0035] In this embodiment, a limit lock 113 is provided on one side of the bottom of the baffle 112, and first slide rails 114 are connected to both sides of the inner wall of the limit groove 120 by screws. The first slide rail 114 is used to cooperate with the baffle 112 for the baffle 112 to slide, and a mounting box 115 is connected to one side of the bottom of the first slide rail 114 by screws. The inner wall of the mounting box 115 is provided with a first through hole 1151, and a rotating shaft 1152 is connected to the inside of the first through hole 1151 through a bearing. A right-angle rod 1153 is connected to one side of the rotating shaft 1152 by bolts, and a reset spring 1154 is connected to the bottom of the horizontal side of the right-angle rod 1153. A limit lock block 1156 is welded to the top of the horizontal end of the right-angle rod 1153, and the limit lock block 1156 is clamped with the limit lock 113.
[0036] The design of the baffle 112 in this embodiment can effectively limit the connecting piece and the fixed bolts extending into the limiting groove 120 to prevent them from accidentally coming out, further enhancing the stability of the cage base. The limiting lock 113 of the baffle 112 is connected with the limiting lock block 1156, making the baffle 112 more stable in the locked state and not easy to be accidentally opened due to external force. The coordinated use of the first slide rail 114, the installation box 115, the rotating shaft 1152, the right-angle rod 1153 and other components realizes the convenient opening and closing and locking of the baffle 112, and improves the operating efficiency. The first slide rail 114 drives the baffle 112 to slide. When the baffle 112 moves to the specified position, the reset spring 1154 can drive the right-angle rod 1153 to adjust the angle on the rotating shaft 1152, and can drive the upper limit lock block 1156 of the right-angle rod 1153 to be connected to the limiting lock 113, so that the baffle 112 is self-locked, which is convenient and fast.
[0037] In this embodiment, a pressing rod 1155 is provided at the bottom end of the right-angle rod 1153 . The pressing rod 1155 passes through the interior of one side close to one end of the limiting groove 120 . The pressing rod 1155 is used to cooperate with the limiting lock block 1156 to limit the baffle 112 .
[0038] Through the cooperation of the pressing rod 1155 and the limiting lock block 1156 in this embodiment, convenient limiting of the baffle 112 is achieved, and the operating efficiency is further improved. The baffle can be released by pressing the pressing rod 1155 downward. When the pressing rod 1155 is not in use, the reset spring 1154 can reset the pressing rod 1155 and the limiting lock block 1156, reducing the possibility of the baffle 112 being opened or closed due to improper operation, thereby enhancing the safety of the elevator cage.
[0039] In this embodiment, a fixing block 116 is disposed at the outer wall of the through hole 111 away from the first slide rail 114 . The fixing block 116 is located at the lower side of the baffle 112 and abuts against the baffle 112 .
[0040] By setting the fixing block 116 in this embodiment, the baffle 112 can be effectively abutted to prevent it from accidentally moving or falling off in the non-operating state. The fixing block 116 also plays a supporting role for the baffle 112, making it difficult for the baffle 112 to be deformed or damaged during long-term use.
[0041] In this embodiment, the number of the threaded sleeves 130 is four, and the four threaded sleeves 130 form a rectangular connection structure.
[0042] The four threaded sleeves 130 in this embodiment form a rectangular connection structure, so that the connection between the cage base and the connecting plate is more stable and uniform, which effectively disperses the force and vibration of the cage base and reduces damage or deformation caused by excessive local force.
[0043] In this embodiment, a hanging ring 140 is also provided at the base body 100, and the hanging ring 140 includes a first hanging ring 141 and a second hanging ring 142. The first hanging ring 141 is distributed at the left end of the upper end surface of the base body 100, and the second hanging ring 142 is distributed at the right end of the upper end surface of the base body 100. One end of the hanging ring 140 is fixedly arranged inside the base body 100, and the other end of the hanging ring 140 extends out of the upper end surface of the base body 100 to form an inverted U-shaped structure.
[0044] By providing the lifting ring 140 in this embodiment, it is convenient to lift and move the cage base, which improves the convenience and efficiency of construction. The inverted U-shaped structure of the lifting ring 140 makes it more stable and not easy to fall off during the lifting process, ensuring the safety of construction. The first lifting ring 141 and the second lifting ring 142 are respectively provided at the left and right ends of the upper end surface of the base, which also facilitates the balanced lifting of the cage base to prevent it from tilting or overturning during the lifting process.
[0045] In this embodiment, the lifting ring 140 is made of round steel with a diameter of 16 mm.
[0046] In this embodiment, the lifting ring 140 is made of round steel with a diameter of 16 mm, which has sufficient strength and load-bearing capacity, thereby ensuring the safety of lifting.
[0047] In this embodiment, a handle 1121 is fixedly connected to one end of the baffle 112 away from the clamping plate 110 .
[0048] The arrangement of the handle 1121 in this embodiment makes it easier for operators to open and close the baffle 112 , thereby improving the convenience of operation and reducing safety hazards such as damage or scratches caused by direct operation of the baffle 112 .
[0049] In this embodiment, a flat-bottomed nut 116 is provided at one end of the clamping plate 110 away from the through hole 111 , and the flat-bottomed nut 116 is fixedly connected to the base body 100 .
[0050] By providing the flat-bottomed nut 116 in this embodiment, the clamping plate 110 can be firmly fixed on the base body 100 , thereby enhancing the overall structural strength of the cage base body 100 and reducing the potential safety hazard caused by the loosening of the clamping plate 110 .
[0051] When this embodiment is used, a wooden mold is used to make a concrete foundation base body 100 according to the size. The lifting ring 140 and the threaded sleeve 130 are embedded before pouring. The position of the threaded sleeve 130 is embedded strictly according to the position of the ladder cage foundation to ensure accurate installation in the later stage. At the same time, the two ends of the threaded sleeve 130 are tightly sealed to prevent concrete from entering the interior and blocking the sleeve. After all are confirmed to be correct, the concrete is poured. After the base body 100 is made, the base body 100 is steadily placed in the predetermined position by passing the lifting rope through the lifting ring 140 to ensure that the base body 100 is in close contact with the ground. Then, two U-shaped clips 110 are installed on the base body 100 through the flat-bottomed nuts 117 to form a limiting groove 120 together. The connecting piece at the bottom corner of the ladder cage is extended into the limiting groove 120. Through the cooperation of the bolts and the threaded sleeve 130, the ladder cage and the base body 100 are firmly connected together. Through the handle 1121, the baffle 112 is extended into the limiting groove 120 through the through hole 111. After reaching the designated position , the limit lock block 1156 moves upward under the action of the return spring 1154 until it is engaged with the limit lock port 113. At this time, the baffle 112 is fixed in the first slide rail 114, which can press the top of the bolt to prevent the bolt from loosening and further strengthen the connection between the connecting piece and the base body 100. When the ladder cage needs to be removed, the pressing rod 1155 is pressed downward. At this time, the right-angle rod 1153 with the limit lock block 1156 can move downward under the action of the rotating shaft 1152, and the baffle 112 is pulled out. Under the action of the fixing block 116, the baffle 112 will not fall off, and then the connecting piece is removed according to the steps.
[0052] In short, the above is only a preferred embodiment of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model should fall within the scope of the present utility model patent.
Claims
1. A base for an assembled ladder cage, characterized in that: The invention comprises a base body (100), wherein the base body (100) comprises a pier block (150), and two U-shaped clamping plates (110) arranged on the pier block (150), wherein the two clamping plates (110) and the pier block (150) together form a limiting groove (120) for a connecting piece at a bottom corner of the elevator cage base to extend into, wherein a plurality of threaded sleeves (130) corresponding to threaded holes on the connecting piece are arranged at the bottom of the limiting groove (120), wherein a through hole (111) communicating with the limiting groove (120) is arranged at a side wall of the clamping plate (110), and a baffle (112) is arranged at the through hole (111), and the baffle (112) is used to pass through the through hole (111) to limit the connecting piece after the connecting piece extends into the limiting groove (120).
2. The assembled cage base according to claim 1, characterized in that: A limit lock (113) is provided on one side of the bottom of the baffle (112), and first slide rails (114) are connected to both sides of the inner wall of the limit groove (120) by screws. The first slide rail (114) is used to cooperate with the baffle (112) so that the baffle (112) can slide. A mounting box (115) is connected to one side of the bottom of the first slide rail (114) by screws. The inner wall of the mounting box (115) is provided with a first through hole (1151). A rotating shaft (1152) is connected to the inside of the first through hole (1151) by a bearing. A right-angle rod (1153) is connected to one side of the rotating shaft (1152) by bolts. A return spring (1154) is connected to the bottom of a horizontal side of the right-angle rod (1153). A limit lock block (1156) is welded to the top of a horizontal end of the right-angle rod (1153), and the limit lock block (1156) is clamped with the limit lock (113).
3. The assembled cage base according to claim 2, characterized in that: A pressing rod (1155) is provided at the bottom end of the right-angle rod (1153). The pressing rod (1155) passes through the interior of one side close to one end of the limiting groove (120). The pressing rod (1155) is used to cooperate with the limiting locking block (1156) to limit the baffle (112).
4. The assembled cage base according to claim 2, characterized in that: A fixing block (116) is provided at the outer wall of the through hole (111) away from the first slide rail (114); the fixing block (116) is located at the lower side of the baffle plate (112) and abuts against the baffle plate (112).
5. The assembled cage base according to claim 1, characterized in that: The number of the threaded sleeves (130) is four, and the four threaded sleeves (130) form a rectangular connection structure.
6. The assembled cage base according to claim 1, characterized in that: A lifting ring (140) is also provided at the base body (100), and the lifting ring (140) comprises a first lifting ring (141) and a second lifting ring (142), the first lifting ring (141) being distributed at the left end of the upper end surface of the base body (100), and the second lifting ring (142) being distributed at the right end of the upper end surface of the base body (100), one end of the lifting ring (140) being fixedly arranged inside the base body (100), and the other end of the lifting ring (140) extending out of the upper end surface of the base body (100), forming an inverted U-shaped structure.
7. The assembled cage base according to claim 6, characterized in that: The lifting ring (140) is made of round steel with a diameter of 16 mm.
8. The assembled cage base according to claim 1, characterized in that: One end of the baffle plate (112) away from the clamping plate (110) is fixedly connected with a handle (1121).
9. The assembled cage base according to claim 1, characterized in that: A flat-bottomed nut (117) is provided at one end of the clamping plate (110) away from the through hole (111), and the flat-bottomed nut (117) is fixedly connected to the base body (100).