Guardrail reinforcement cage grabbing equipment
By designing a guardrail reinforced cage grabbing equipment including hanging strips, support plates, drive units, fixing strips, connecting shafts and hooks, the problems of low efficiency, easy leakage and safety hazards of manual hook hooks in the prior art are solved, and efficient and stable steel cage grabbing is achieved.
Patent Information
- Application Number
- CN202421804501.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-29
AI Technical Summary
In the prior art, manual hook hooks are inefficient, easy to miss, and have safety hazards.
A guardrail reinforced cage grabbing equipment is designed, including hanging strips, support plates, drive units, fixing strips, connecting shafts and hooks. Lifting the lifting strips manually or by cranes, and driving the support plate to be close to or away with the drive unit, drive the fixing strips, connecting shafts and hooks to automatically hook on the steel cage.
It improves the hook hanging efficiency of the hook, avoids the problem of missing hooks when manually hooking, and reduces the safety hazards when hooking, and at the same time improves the grab stability of the steel cage, which is suitable for steel cages of different spacings.
Smart Images
Figure CN222974685U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure belongs to the technical field of construction equipment, and particularly relates to a grab device for a guardrail steel reinforcement cage. Background Art
[0002] Currently, when prefabricating precast components, it is necessary to first fabricate a steel reinforcement cage. During the production process of the steel reinforcement cage, it is usually necessary to use a crane for hoisting and transporting. In the existing steel reinforcement cage hoisting, a hook-type lifting tool is generally used to hook the steel reinforcement cage; a cylindrical steel reinforcement cage is a relatively common type of steel reinforcement cage, which is composed of a plurality of axially arranged axial steel bars and a plurality of circular stirrups. The plurality of axial steel bars are evenly distributed in a circular shape, and the stirrups are sleeved outside each axial steel bar and fixedly connected thereto;
[0003] When hoisting such a cylindrical steel reinforcement cage, in order to ensure the stability of hoisting, it is usually necessary to hook a plurality of hooks on the axial steel bars of the steel reinforcement cage; in the prior art, the hooks usually need to be manually hooked on the steel reinforcement cage. When manually hooking a plurality of hooks, not only is the hooking work efficiency low, but there is also a phenomenon of easy omission of hooking; and during hoisting operations, if the worker does not timely withdraw the hand from between the hook and the steel reinforcement cage when hooking the hook, the fingers of the worker are easily clamped during lifting, which poses a certain safety hazard; therefore, in the prior art, there are problems of low efficiency of manually hooking the hook, easy omission of hooking, and safety hazards. Summary of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the purpose of the present disclosure is to provide a grab device for a guardrail steel reinforcement cage, which solves the problems of low efficiency of manually hooking the hook, easy omission of hooking, and safety hazards in the prior art.
[0005] The purpose of the present disclosure can be achieved by the following technical solutions:
[0006] A grab device for a guardrail steel reinforcement cage, comprising:
[0007] A hanging bar, and a pair of symmetrically placed support plates are slidably clamped along the axial direction of the lower end of the hanging bar;
[0008] A driving unit, which is arranged in the hanging bar and connected to the two support plates, and the driving unit is used to drive the two support plates to approach or move away from each other;
[0009] Two fixing bars, the two fixing bars are respectively fixed to the lower ends of the two support plates, and the fixing bars are both vertically placed with respect to the hanging bar. A plurality of connecting shafts are evenly distributed along the axial direction at the lower ends of the fixing bars, and hooks are fixed to the lower ends of the connecting shafts, and the hooks on the two fixing bars are symmetrically placed.
[0010] The above technical solution, its principle and effect are:
[0011] The lifting bar is adjusted in height manually or by a crane. At the same time, the driving unit is coordinated to drive the two support plates to approach or move away from each other. The support plates drive the fixing bars, connecting shafts and hooks, which facilitates automatically and synchronously hooking the multiple hooks on each fixing bar to the axial steel bars of the steel reinforcement cage. There is no need to hook the hooks one by one manually, which can improve the hooking efficiency of the hooks, solve the problem of missed hooking when hooking the hooks manually, and reduce the safety hazards when hooking the hooks. At the same time, the stability of grasping the steel reinforcement cage can be improved, and this equipment can also be applied to grasping operations of multiple steel reinforcement cages with different spacings between adjacent axial steel bars.
[0012] A cushion block is fixed at the bottom of the hook groove of each hook, and the cushion blocks are all made of elastic wear-resistant materials.
[0013] A first chute is opened at the lower end of the lifting bar and is placed coaxially.
[0014] The driving unit includes first sliders respectively fixed at the upper ends of the two support plates. The first sliders are all slidably clamped in the first chute. A double-shaft rotating motor is fixed in the first chute. Screws rotatably connected in the first chute are arranged at both output ends of the double-shaft rotating motor. The two first sliders are respectively sleeved on the two screws and are threadedly connected thereto, and the thread helix directions of the two screws are opposite.
[0015] Second sliders are arranged between the connecting shafts and the fixing bars. The upper ends of the connecting shafts are all fixed on the second sliders. Second chutes are opened on the fixing bars and are placed coaxially. The second sliders are all slidably clamped in the second chutes.
[0016] Sliding rods placed coaxially are fixed in the second chutes. The sliding rods pass through the second sliders and are slidably connected thereto.
[0017] Third chutes are opened on the fixing bars between the second chutes and the support plates. Sliding plates parallel to the support plates are arranged on the fixing bars. The lower ends of the sliding plates all pass through the third chutes and are slidably connected thereto. Multiple fourth chutes corresponding to the second sliders on the corresponding fixing bars are opened on the sliding plates. The axes of the fourth chutes on the same sliding plate intersect at the same point, and at any horizontal height along the axis of the sliding rod, the distances between adjacent two fourth chutes are all equal. Slide shafts are fixed on the second sliders, and the slide shafts are all slidably connected in the corresponding fourth chutes.
[0018] A pair of vertically placed slide rails are fixed on one side of each support plate close to the corresponding sliding plate. Third sliders are slidably connected on the slide rails, and the third sliders are all fixed to the sliding plates.
[0019] A first telescopic cylinder is vertically placed between the two support plates. The upper end of the first telescopic cylinder is fixed to the lower end of the hanging bar through a mounting plate. The output end of the first telescopic cylinder is fixed with a connecting bar placed coaxially with the hanging bar. Both ends of the connecting bar pass through the two sliding plates and are slidably connected to them. Avoidance grooves for the lifting movement of the connecting bar are provided on the support plates.
[0020] The explanations of the nouns, conjunctions or adjectives involved in the above technical solutions are as follows:
[0021] Connection: It refers to the process of connecting two separated profiles or parts into a complex part or component using fasteners such as screws, bolts and rivets.
[0022] Sliding snap connection: It is a mechanism for connecting parts by relative sliding.
[0023] The beneficial effects of the present disclosure:
[0024] 1. By manually lifting or using a crane to lift and lower, the hanging bar is adjusted in height. At the same time, the driving unit is coordinated to drive the two support plates to approach or move away from each other. The support plates drive the fixing bars, connecting shafts and hooks, which is convenient for automatically synchronously hooking the multiple hooks on each fixing bar onto the axial steel bars of the steel reinforcement cage. There is no need for manual hooking of each hook one by one, which can improve the hooking efficiency of the hooks, solve the problem of missed hooking when manually hooking the hooks, and also reduce the safety hazards when hooking the hooks.
[0025] At the same time, by hooking the hooks on the two fixing bars on both sides onto the two axial steel bars on the steel reinforcement cage respectively, the stability of grasping the steel reinforcement cage can be improved. And by driving the two support plates to approach or move away from each other through the driving unit, the equipment can be applicable to grasping operations of multiple steel reinforcement cages with different distances between adjacent axial steel bars.
[0026] 2. Through the setting of the cushion blocks, after grasping the steel reinforcement cage, the contact part between the cushion blocks and the axial steel bars of the steel reinforcement cage sinks downward, which can be applicable to grasping multiple steel reinforcement cages with different diameters of axial steel bars, reduce the sliding of the axial steel bars of the steel reinforcement cage in the hook grooves, and improve the grasping stability. Description of the Drawings
[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0028] Figure 1 It is the overall structural schematic diagram of the embodiment of the present disclosure;
[0029] Figure 2It is a schematic diagram of the overall structure from different perspectives of an embodiment of the present disclosure;
[0030] Figure 3 It is a schematic diagram of a partial structure at the first telescopic cylinder of an embodiment of the present disclosure;
[0031] Figure 4 It is a schematic diagram of a partial structure at the sliding plate of an embodiment of the present disclosure;
[0032] Figure 5 It is a schematic diagram of a partial structure at the screw rod of an embodiment of the present disclosure. Specific embodiments
[0033] Next, the technical solutions in the embodiments of the present disclosure will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present disclosure.
[0034] Herein, in combination with Figures 1 to 5 An embodiment of a guardrail steel bar cage grabbing device will be described. Specifically, this guardrail steel bar cage grabbing device is configured as a split structure, which has components such as a hanging bar 100, a support plate 200, a driving unit, a fixing bar 300, a connecting shaft 400, and a hook 500. The hanging bar 100 is lifted and adjusted manually by a human or by a crane. At the same time, the driving unit is used to drive the two support plates 200 to approach or move away from each other. The support plates 200 drive the fixing bar 300, the connecting shaft 400, and the hook 500, eliminating the need for manual individual hanging of the hook 500, which can improve the hanging efficiency of the hook 500, solve the problem of missed hanging when manually hanging the hook 500, and also reduce the safety hazards when hanging the hook 500; moreover, it can improve the stability of grabbing the steel bar cage, and also make this device applicable to grabbing operations of various steel bar cages with different axial bar spacings adjacent to each other.
[0035] Please refer to Figures 1 to 5 , a guardrail steel bar cage grabbing device, comprising:
[0036] A hanging bar 100, and a pair of symmetrically placed support plates 200 are slidably clamped along the axial direction of the lower end of the hanging bar 100;
[0037] A driving unit, which is arranged in the hanging bar 100 and connected to the two support plates 200, and the driving unit is used to drive the two support plates 200 to approach or move away from each other;
[0038] The fixing bars 300, with two in number, are respectively fixed to the lower ends of the two support plates 200. The fixing bars 300 are all placed perpendicular to the hanging bar 100. A plurality of connecting shafts 400 evenly distributed along the axial direction of the fixing bars 300 are provided at the lower ends of the fixing bars 300. Hooks 500 are fixed to the lower ends of the connecting shafts 400, and the hooks 500 on the two fixing bars 300 are symmetrically placed.
[0039] The hanging bar 100, as the main load-bearing component, is responsible for connecting the entire grasping device to the lifting equipment and transferring the weight to other components; the hanging bar 100 can usually be made of high-strength carbon steel or alloy steel, such as 42CrMo4; these materials can provide sufficient strength and durability.
[0040] The commonly used materials for the connecting shafts 400 are made of carbon steel or alloy steel, and such materials have sufficient strength and wear resistance; the connecting shafts 400 need to be processed by precision turning and grinding to ensure their dimensional accuracy and surface smoothness.
[0041] The hook 500, as the main contact point of the grasping device, is responsible for safely hoisting and releasing the steel reinforcement cage; the hook 500 is usually made of high-strength alloy steel to ensure that it can withstand high loads and frequent use. The hook 500 needs to be formed by processes such as forging or casting and undergo appropriate heat treatment to improve strength. Its surface can also be chrome-plated or spray-coated with anti-corrosion treatment to enhance corrosion resistance and service life.
[0042] This equipment can be carried by two workers holding both ends of the hanging bar 100 and used to grasp and carry the steel reinforcement cage; it can also be used in combination with a crane and other equipment in the prior art. The sling of the crane is fixed to the hanging bar 100 for hoisting operations.
[0043] When grasping the steel reinforcement cage, first place the steel reinforcement cage horizontally, place this equipment directly above the steel reinforcement cage, and make the fixing bars 300 placed coaxially with the steel reinforcement cage; then manually or by using a crane to adjust the lifting of the hanging bar 100, and at the same time cooperate with the driving unit to drive the two support plates 200 to approach or move away from each other. The support plates 200 drive the fixing bars 300, connecting shafts 400, and hooks 500, eliminating the need for manual individual hook-up of the hooks 500, which can improve the hook-up efficiency of the hooks 500, solve the problem of missed hook-up when manually hooking the hooks 500, and also reduce the safety hazards when hooking the hooks 500.
[0044] At the same time, by respectively hooking the hooks 500 on the two fixing bars 300 to two axial steel bars on the steel reinforcement cage, the stability of grasping the steel reinforcement cage can be improved.
[0045] Moreover, when the diameters of the steel reinforcement cages are different or the density of the axial steel bars arranged in the steel reinforcement cages is different, the distances between two adjacent axial steel bars in different steel reinforcement cages will be different. By driving the two support plates 200 to approach or move away from each other through the driving unit, the device can be applicable to grasping operations on various steel reinforcement cages with different distances between adjacent axial steel bars.
[0046] Since the grasped steel reinforcement cage is likely to slide relatively in the hook groove of the hook 500, cushion blocks 600 are fixed at the bottom of the hook grooves of the hook 500. The cushion blocks 600 are all made of elastic wear-resistant materials. After being lifted, under the action of the gravity of the steel reinforcement cage, the contact parts of the cushion blocks 600 and the axial steel bars of the steel reinforcement cage are sunken downward, which can be applicable to grasping various steel reinforcement cages with different diameters of axial steel bars, reduce the sliding of the axial steel bars of the steel reinforcement cage in the hook groove, and improve the grasping stability.
[0047] In order to facilitate driving the two support plates 200 to approach or move away from each other, a first chute 101 placed coaxially is opened at the lower end of the hanging bar 100;
[0048] The driving unit includes first sliders 701 respectively fixed at the upper ends of the two support plates 200. The first sliders 701 are all slidably clamped in the first chute 101. A double-shaft rotating motor 702 is fixed in the first chute 101. Screw rods 703 rotatably connected in the first chute 101 are arranged at both output ends of the double-shaft rotating motor 702. The two first sliders 701 are respectively sleeved on the two screw rods 703 and are threadedly connected thereto, and the thread spiral directions of the two screw rods 703 are opposite;
[0049] By starting the double-shaft rotating motor 702 to drive the two screw rods 703, the screw rods 703 drive the first sliders 701 and the support plates 200, which is convenient to realize the driving control for the two support plates 200 to approach or move away from each other.
[0050] The driving unit can also be selected as two second telescopic cylinders arranged in the first chute 101. The two second telescopic cylinders are respectively used to push the two first sliders 701 to move; however, the second telescopic cylinders need to have a certain telescopic range, which is not the preferred method in this device.
[0051] When the device is directly above the steel reinforcement cage to be grasped, it is possible that a certain hook 500 is exactly above a certain stirrup, and this stirrup will interfere with the hook 500. Second sliders 8 are arranged between the connecting shafts 400 and the fixing bars 300. The upper ends of the connecting shafts 400 are all fixed on the second sliders 8. Second chutes 301 placed coaxially are opened on the fixing bars 300. The second sliders 8 are all slidably clamped in the second chutes 301; the second sliders 8 can be moved to drive the connecting shafts 400 and the hooks 500 to stagger the hooks 500 from the stirrups.
[0052] A slide bar 10 placed coaxially is fixedly installed in each of the second sliding grooves 301. The slide bar 10 passes through the second slider 8 and is slidably connected thereto. Through the arrangement of the slide bar 10, the connection stability of the second slider 8 is improved.
[0053] In order to facilitate driving the second slider to move and at the same time facilitate adjusting the distance between adjacent hooks 500 according to the length of the steel reinforcement cage to be grabbed, third sliding grooves are formed in the fixing bars 300 between the second sliding grooves 301 and the support plates 200. Sliding plates 9 parallel to the support plates 200 are provided on the fixing bars 300. The lower ends of the sliding plates 9 pass through the third sliding grooves and are slidably connected thereto. A plurality of fourth sliding grooves 91 corresponding one by one to the second sliders 8 on the corresponding fixing bars 300 are formed in the sliding plates 9. The axes of the fourth sliding grooves 91 on the same sliding plate 9 intersect at the same point, and at any horizontal height along the axis of the slide bar 10, the distance between adjacent two fourth sliding grooves 91 is equal. Slide shafts 81 are fixedly installed on the second sliders 8, and the slide shafts 81 are all slidably connected in the corresponding fourth sliding grooves 91. By pushing the sliding plate 9 to move up and down, the distance between adjacent second sliders 8 can be adjusted.
[0054] In order to facilitate connecting the sliding plate 9 and at the same time improve its moving guiding property, a pair of vertically placed slide rails 11 are fixedly installed on one side of the support plate 200 close to the corresponding sliding plate 9. Third sliders 111 are slidably connected to the slide rails 11, and the third sliders 111 are all fixed to the sliding plate 9.
[0055] In order to facilitate automatically pushing the sliding plate 9 to move, a first telescopic cylinder 12 placed vertically downward is provided between the two support plates 200. The upper end of the first telescopic cylinder 12 is fixed to the lower end of the hanging bar 100 through a mounting plate. The output end of the first telescopic cylinder 12 is fixed with a connecting bar 13 placed coaxially with the hanging bar 100. The two ends of the connecting bar 13 pass through the two sliding plates 9 respectively and are slidably connected thereto. Avoidance grooves 201 for the lifting movement of the connecting bar 13 are formed in the support plates 200. By driving the connecting bar 13 to move up and down through the first telescopic cylinder 12, the connecting bar 13 drives the sliding plate 9 to move up and down.
[0056] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0057] The foregoing has shown and described the basic principles, main features and advantages of the present disclosure. Those skilled in the art should understand that the present disclosure is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principles of the present disclosure. Without departing from the spirit and scope of the present disclosure, the present disclosure will have various changes and improvements, and these changes and improvements fall within the scope of the present disclosure claimed.
Claims
1. A guardrail steel cage grabbing device, characterized in that: include: A hanging bar (100), the lower end of which is slidably engaged with a pair of symmetrically placed supporting plates (200) along its axial direction; A driving unit is arranged in the hanging bar (100) and connected to the two supporting plates (200), and the driving unit is used to drive the two supporting plates (200) to move closer to or farther from each other; A fixing bar (300), wherein there are two fixing bars (300), the two fixing bars (300) are respectively fixed to the lower ends of the two support plates (200), and the fixing bars (300) are placed vertically with the hanging bars (100), and the lower ends of the fixing bars (300) are provided with a plurality of connecting shafts (400) evenly distributed along the axial direction thereof, and the lower ends of the connecting shafts (400) are fixed with hanging hooks (500), and the hanging hooks (500) on the two fixing bars (300) are symmetrically placed.
2. A guardrail steel cage grabbing device according to claim 1, characterized in that: The bottom of the hook groove of the hook (500) is fixed with a cushion block (600), and the cushion block (600) is made of elastic wear-resistant material.
3. A guardrail steel cage grabbing device according to claim 2, characterized in that: A first sliding groove (101) disposed coaxially is provided at the lower end of the hanging bar (100); The driving unit comprises first sliders (701) respectively fixed to the upper ends of the two support plates (200), the first sliders (701) are slidably engaged in the first slide groove (101), a dual-axis rotating motor (702) is fixed in the first slide groove (101), both output ends of the dual-axis rotating motor (702) are provided with screws (703) rotatably connected to the first slide groove (101), the two first sliders (701) are respectively sleeved on the two screws (703) and threadedly connected thereto, and the spiral directions of the two screws (703) are opposite.
4. A guardrail steel cage grabbing device according to claim 3, characterized in that: A second sliding block (8) is provided between the connecting shaft (400) and the fixing bar (300), the upper end of the connecting shaft (400) is fixed on the second sliding block (8), the fixing bar (300) is provided with a coaxially arranged second sliding groove (301), and the second sliding block (8) is slidably engaged in the second sliding groove (301).
5. A guardrail steel cage grabbing device according to claim 4, characterized in that: A coaxially placed slide rod (10) is fixed in each of the second slide grooves (301), and the slide rod (10) passes through the second slide block (8) and is slidably connected thereto.
6. A guardrail steel cage grabbing device according to claim 5, characterized in that: The fixed bar (300) is provided with a third slide groove located between the second slide groove (301) and the support plate (200); the fixed bar (300) is provided with a sliding plate (9) parallel to the support plate (200); the lower end of the sliding plate (9) passes through the third slide groove and is slidably connected thereto; the sliding plate (9) is provided with a plurality of fourth slide grooves (91) corresponding to the second sliding blocks (8) on the corresponding fixed bar (300); the axes of the fourth slide grooves (91) on the same sliding plate (9) intersect at the same point; and at any horizontal height along the axis direction of the slide rod (10), the distance between two adjacent fourth slide grooves (91) is equal; the second sliding blocks (8) are fixed with a sliding shaft (81), and the sliding shaft (81) is slidably connected in the corresponding fourth slide groove (91).
7. A guardrail steel cage grabbing device according to claim 6, characterized in that: A pair of vertically placed slide rails (11) are fixed on one side of the support plate (200) close to the corresponding slide plate (9), and a third slide block (111) is slidably connected to the slide rail (11), and the third slide block (111) is fixed to the slide plate (9).
8. The guardrail steel cage grabbing device according to claim 7 is characterized in that: A first telescopic cylinder (12) is arranged vertically downward between the two support plates (200). The upper end of the first telescopic cylinder (12) is fixed to the lower end of the suspension bar (100) through a mounting plate. A connecting bar (13) arranged coaxially with the suspension bar (100) is fixed to the output end of the first telescopic cylinder (12). Both ends of the connecting bar (13) pass through the two sliding plates (9) and are slidably connected thereto. Avoidance grooves (201) for lifting and lowering the connecting bar (13) are provided on the support plates (200).