Concrete guardrail clamping device
By designing a top-mounted platform and a hydraulically controlled clamping device, the problem of tipping over during the handling of concrete guardrails was solved, achieving efficient and safe transportation and space optimization, while reducing equipment costs.
Patent Information
- Application Number
- CN202422816099.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Traditional methods of transporting concrete guardrails often result in them tipping over, posing safety hazards, taking up space, and affecting work efficiency and costs.
Design a concrete guardrail clamping device, which uses a top hanging plate and a clamping part. The opening and closing of the clamping part is controlled by a hydraulic cylinder, and the clamping force is provided by the weight of the concrete guardrail itself. Combined with a forklift, it can be transported efficiently.
It improves the stability and safety of handling, saves energy, reduces equipment investment costs, optimizes the utilization of warehouse space, and enhances operational efficiency and economy.
Smart Images
Figure CN223445175U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road traffic guardrail installation technical field more specifically, relate to a concrete guardrail clamping device. BACKGROUND
[0002] In modern road construction practice, the prefabricated concrete guardrail as an important safety barrier, its efficient laying becomes the key factor of improving engineering quality and progress. These guardrail units are usually completed in precision manufacturing in the professionalized factory, then face the transfer challenge from the production environment to the construction site. The traditional carrying mode relies on the combination of the forklift and the auxiliary sleeper to support the long size and large quality of the guardrail. However, this mode not only occupies the valuable factory space, reduces the flexibility of space use, but also hides the operation risk. Specifically, during the forklift carrying process, due to the difficulty in gravity control, the guardrail is prone to accidental overturning, which not only threatens the operation safety, but also may cause product damage, increases unnecessary cost and time delay.
[0003] Therefore, it is necessary to improve the prior art. SUMMARY
[0004] In order to overcome the deficiencies in the prior art, a concrete guardrail clamping device for preventing accidental overturning of the concrete guardrail during carrying is provided.
[0005] In order to solve the above technical problems, the utility model adopts the technical scheme that:
[0006] A concrete guardrail clamping device, comprising a top hoist disc and a clamping part, the clamping part comprising a left upper arm, a right upper arm, a left L-shaped arm, a right L-shaped arm and a connecting arm, the top hoist disc being provided with a hinged lug seat at the lower end, the upper ends of the left upper arm and the right upper arm being hinged on the hinged lug seat, the lower ends of the left upper arm and the right upper arm being respectively provided with hinged holes, one end of the left L-shaped arm and the right L-shaped arm being respectively hinged at the lower ends of the right upper arm and the left upper arm, and the two ends of the connecting arm being respectively hinged with the middle parts of the left L-shaped arm and the right L-shaped arm; the left L-shaped arm and the right L-shaped arm are symmetrically arranged, and the lower ends of the left L-shaped arm and the right L-shaped arm are used for clamping the concrete guardrail;
[0007] The side of the left L-shaped arm and the right L-shaped arm, which are close to each other, is provided with a self-adaptive clamping plate;
[0008] A driver for changing the distance between the connecting arm and the top hoist disc is arranged between the connecting arm and the top hoist disc.
[0009] Preferably, the top hoist disc is provided with a forklift connecting port.
[0010] Preferably, the driver is a hydraulic cylinder.
[0011] Preferably, the top hanging plate lower end is provided with five articulated lug seats, the clamping part is provided with three, the hydraulic cylinder is provided with two, and the clamping part and the hydraulic cylinder are alternately connected on the five articulated lug seats.
[0012] Preferably, adjacent articulated lug seats are connected through an upper long shaft, and the clamping part and the hydraulic cylinder are connected with the articulated lug seat through the upper long shaft.
[0013] The middle part of adjacent connecting arms is connected through a lower long shaft, and the lower end of the hydraulic cylinder is articulated with the lower long shaft.
[0014] Preferably, the left upper arms of the three clamping parts are in an integral structure, and the lower end of the left upper arm is connected with a same left upper arm shaft; the right upper arms of the three clamping parts are in an integral structure, and the lower end of the right upper arm is connected with a same right upper arm shaft.
[0015] Preferably, the lower end of the three right L-shaped arms is connected with a same left lower long shaft, the lower end of the three left L-shaped arms is connected with a same right lower long shaft, and the self-adapting clamping plates are articulated on the corresponding left lower long shaft or right lower long shaft.
[0016] Preferably, the self-adapting clamping plate is in an L-shaped cross section, the side of the two self-adapting clamping plates close to each other is provided with an antiskid rubber pad, and the side of the two self-adapting clamping plates away from each other is provided with a handle.
[0017] Compared with the prior art, the utility model has the beneficial effects that:
[0018] 1. The utility model adopts upper clamping technology, directly applies force on the top of the guardrail, fundamentally solves the safety hazard of guardrail overturning in the traditional carrying process, and ensures high stability and safety of the carrying operation.
[0019] 2. The opening and closing action of the utility model is realized through synchronous control of two hydraulic cylinders, not only ensures uniform distribution of stress, but also innovatively uses the weight of the concrete guardrail as a natural clamping force source, and the hydraulic cylinder is only responsible for controlling the opening and closing action, without the need of providing additional clamping energy. This design greatly saves energy consumption, conforms to the modern environmental protection concept, optimizes the storage and logistics space, and brings revolutionary efficiency improvement for road construction and prefabricated part management.
[0020] 3. The utility model is designed flexibly, can easily adapt to forklifts for carrying operation, realizes quick connection and collaborative work with these general engineering machines through the top hanging plate, enhances the flexibility and adaptability of on-site operation, and reduces the equipment investment cost of users. Users only need to purchase the device, without the need of complex modification or expensive new equipment, can complete efficient clamping and transportation of the concrete guardrail through the existing forklift, and realize double optimization of cost control and work efficiency.
[0021] 4, The utility model discloses simple structure design, strengthen the reliability and durability of system, through adopting multiple reusable parts, greatly simplify manufacturing, installation, maintenance and spare part replacement process, reduce overall cost, improve the economy and maintenance convenience, bring long -term benefit for the user. BRIEF DESCRIPTION OF DRAWINGS
[0022] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings.
[0023] Figure 1 It is the whole structure schematic diagram of the utility model;
[0024] Figure 2 It is hydraulic cylinder position schematic diagram;
[0025] Figure 3 It is the side view schematic diagram of the utility model;
[0026] Figure 4 It is the forklift actual removal schematic diagram
[0027] Figure 5 It is the top hanging plate structure schematic diagram;
[0028] Figure 6 It is the left adaptive clamping plate structure schematic diagram;
[0029] In the drawing: 1-top hanging plate;2-upper long shaft;3-left upper arm;4-left upper arm shaft;5-right upper arm;6-right upper arm shaft;7-left one L-shaped arm;8-right one L-shaped arm;9-left two L-shaped arms;10-right two L-shaped arms;11-left three L-shaped arms;12-right three L-shaped arms;13-left adaptive clamping plate;14-left antiskid rubber pad;15-right antiskid rubber pad;16-right adaptive clamping plate;17-rear hydraulic cylinder;18-front hydraulic cylinder;19-lower long shaft;20-left one short shaft;21-one connecting arm;22-right one short shaft;23-left two short shafts;24-two connecting arms;25-right two short shafts;26-left three short shafts;27-three connecting arms;28-right three short shafts;29-left lower long shaft;30-right lower long shaft. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0031] As Figures 1 to 6The concrete guardrail clamping device shown adopts a left-right symmetrical structure and comprises a top hanging disc and a clamping part, the number of the clamping part can be set to one or more, and three clamping parts are taken as an example for description in the embodiment.
[0032] Specifically, the concrete guardrail clamping device comprises a top hanging disc 1, an upper long shaft 2, a left upper arm 3, a left upper arm shaft 4, a right upper arm 5, a right upper arm shaft 6, a left L-shaped arm 7, a right L-shaped arm 8, a left second L-shaped arm 9, a right second L-shaped arm 10, a left third L-shaped arm 11, a right third L-shaped arm 12, a left adaptive clamping plate 13, a left anti-skid rubber pad 14, a right anti-skid rubber pad 15, a right adaptive clamping plate 16, a rear hydraulic cylinder 17, a front hydraulic cylinder 18, a lower long shaft 19, a left first short shaft 20, a connecting arm 21, a right first short shaft 22, a left second short shaft 23, a second connecting arm 24, a right second short shaft 25, a left third short shaft 26, a third connecting arm 27, a right third short shaft 28, a left lower long shaft 29 and a right lower long shaft 30.
[0033] The top hanging disc 1 is a welded part, the material is 45 steel, the inner and outer surfaces are painted, the top hanging disc 1 is provided with a fork connecting port connected with a forklift at the upper portion, and the top hanging disc 1 needs to be welded with a triangular reinforcing rib. Five hinged ear seats are arranged below the top hanging disc 1, the left upper arm 3 and the right upper arm 5 are connected through the upper long shaft 2 and a pin shaft sleeve at the first, third and fifth hinged ear seats, and the front hydraulic cylinder 18 and the rear hydraulic cylinder 17 are connected through the upper long shaft 2 and a pin shaft sleeve at the second and fourth hinged ear seats. The upper long shaft 2 is made of 304 stainless steel.
[0034] In the embodiment, the three clamping parts adopt the same left upper arm 3, the lower end of the left upper arm 3 has three hinged positions corresponding to the three clamping parts, respectively, and the three hinged positions are connected with the right L-shaped arm 8, the right second L-shaped arm 10 and the right third L-shaped arm 12 through the left upper arm shaft 4 and a pin shaft sleeve, respectively. The right L-shaped arm 8, the right second L-shaped arm 10 and the right third L-shaped arm 12 are made of 45 steel and painted on the surface. The right L-shaped arm 8, the right second L-shaped arm 10 and the right third L-shaped arm 12 are connected with the right adaptive clamping plate 16 through a pin shaft sleeve and the right lower long shaft 30. The right adaptive clamping plate 16 is made of 45 steel, is a welded part and is painted on the surface. The right lower long shaft 30 is made of 304 stainless steel and is fixed through a hexagonal nut. The left upper arm 3 is a welded part, is made of 45 steel and is painted on the surface.
[0035] Three clamping parts adopt the same right upper arm 5, and the lower end of the right upper arm 5 has three hinged positions corresponding to the three clamping parts respectively, and the three hinged positions are connected with the left one L-shaped arm 7, the left two L-shaped arm 9 and the left three L-shaped arm 11 through the right upper arm shaft 6 and the pin shaft sleeve respectively. The left one L-shaped arm 7, the left two L-shaped arm 9 and the left three L-shaped arm 11 are made of 45 steel and are painted on the surface. The left one L-shaped arm 7, the left two L-shaped arm 9 and the left three L-shaped arm 11 are connected with the left adaptive clamping plate 13 through the pin shaft sleeve and the left lower long shaft 29. The left adaptive clamping plate 13 is made of 45 steel, is a welded part and is painted on the surface. The left lower long shaft 29 is made of 304 stainless steel and is fixed through a hexagonal nut. The right upper arm 5 is a welded part, is made of 45 steel and is painted on the surface.
[0036] The left adaptive clamping plate 13 is fixedly connected with the left anti-skid rubber pad 14 through gluing, and the right adaptive clamping plate 16 is fixedly connected with the right anti-skid rubber pad 15 through gluing. The left anti-skid rubber pad 14 and the right anti-skid rubber pad 15 are made of nitrile rubber. The left adaptive clamping plate 13 and the right adaptive clamping plate 16 are provided with handles on the sides away from each other.
[0037] The one connecting arm 21 is made of 45 steel and is painted on the surface, the one connecting arm 21 is connected with the left one L-shaped arm 7 to the left one short shaft 20 through the pin shaft sleeve, and the one connecting arm 21 is connected with the right one L-shaped arm 8 to the right one short shaft 22 through the pin shaft sleeve. The two connecting arms 24 are made of 45 steel and are painted on the surface, the two connecting arms 24 are connected with the left two L-shaped arm 9 to the left two short shaft 23 through the pin shaft sleeve, and the two connecting arms 24 are connected with the right two L-shaped arm 10 to the right two short shaft 25 through the pin shaft sleeve. The three connecting arms 27 are made of 45 steel and are painted on the surface, the three connecting arms 27 are connected with the left three L-shaped arm 11 to the left three short shaft 26 through the pin shaft sleeve, and the three connecting arms 27 are connected with the right three L-shaped arm 12 to the right three short shaft 28 through the pin shaft sleeve. The one connecting arm 21, the two connecting arms 24 and the three connecting arms 27 are connected to the lower long shaft 19 through the sleeve pin shaft, and the lower long shaft 19 is made of 304 stainless steel.
[0038] The front hydraulic cylinder 18 is connected to the lower long shaft 19 through the pin shaft sleeve, and the rear hydraulic cylinder 17 is connected to the lower long shaft 19 through the pin shaft sleeve. By synchronously controlling the front hydraulic cylinder 18 and the rear hydraulic cylinder 17, the device can be opened and closed, the hydraulic power of the front hydraulic cylinder 18 and the rear hydraulic cylinder 17 is provided by the forklift hydraulic system, and only the opening and closing of the device is controlled.
[0039] Figure 4 The figure shows a forklift moving schematic diagram, and the device can cooperate with the forklift through the top lifting disc. When cooperating with the forklift, the forks are inserted and locked through the pin hole. The selection of the carrier is flexibly determined according to the actual situation.
[0040] The specific action process of the device is as follows:
[0041] Step 1: move the forklift carrying the device to move the device directly above the concrete guardrail, control the front hydraulic cylinder 18 and the rear hydraulic cylinder 17 to retract to drive the device to the open state;
[0042] Step 2: control the forklift lifting mechanism to descend, and the device to move down until the connecting arm hits the upper end of the concrete guardrail;
[0043] Step 3: control the front hydraulic cylinder 18 and the rear hydraulic cylinder 17 to extend to drive the device to the clamping state, control the forklift lifting mechanism to slowly lift, and along with the lifting process of the lifting mechanism, the concrete guardrail is forced to move downward by the left adaptive clamp plate 13 and the right adaptive clamp plate 16 due to gravity, thereby clamping the concrete guardrail, the clamping force and friction force of the left adaptive clamp plate 13 and the right adaptive clamp plate 16 and the concrete guardrail firmly lock the concrete guardrail, and then control the forklift lifting mechanism to continue to rise to lift the concrete guardrail;
[0044] Step 4: start the carrier, move the concrete guardrail to the designated position by the forklift, and then stop moving, control the forklift lifting mechanism to descend, and then lower the concrete guardrail to the ground and stabilize, and then control the front hydraulic cylinder 18 and the rear hydraulic cylinder 17 to retract to drive the device to the open state;
[0045] Step 5: control the forklift lifting mechanism to rise, the device is lifted until it is lifted to a safe height, then start the forklift to leave the concrete guardrail, and repeat the process.
[0046] The above only details the preferred embodiments of the present application, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application, and all changes shall be included in the protection scope of the present application.
Claims
1. A concrete guardrail clamping device, characterized by: The utility model comprises a top hanging plate and a clamping part, wherein the clamping part comprises a left upper arm, a right upper arm, a left L-shaped arm, a right L-shaped arm and a connecting arm, a hinged ear seat is provided at the lower end of the top hanging plate, the upper ends of the left upper arm and the right upper arm are hinged on the hinged ear seat, the lower ends of the left upper arm and the right upper arm are respectively provided with hinged holes, one end of the left L-shaped arm and the right L-shaped arm are respectively hinged to the lower ends of the right upper arm and the left upper arm, and the two ends of the connecting arm are respectively hinged to the middle parts of the left L-shaped arm and the right L-shaped arm; the left L-shaped arm and the right L-shaped arm are symmetrically arranged, and the lower ends of the left L-shaped arm and the right L-shaped arm are used to clamp the concrete guardrail; Adaptive splints are provided on the sides of the lower ends of the left L-shaped arm and the right L-shaped arm that are close to each other; A driver for changing the distance between the connecting arm and the top hanging plate is provided between the connecting arm and the top hanging plate.
2. A concrete guardrail clamping device according to claim 1, characterized in that: The top hanging plate is provided with a forklift connection port.
3. The concrete guardrail clamping device according to claim 1, characterized in that: The driver is a hydraulic cylinder.
4. A concrete guardrail clamping device according to claim 3, characterized in that: The lower end of the top hanging plate is provided with five hinged ear seats, the clamping parts are provided with three, and the hydraulic cylinders are provided with two. The clamping parts and the hydraulic cylinders are alternately connected to the five hinged ear seats.
5. The concrete guardrail clamping device according to claim 4, characterized in that: Adjacent hinged lugs are connected via an upper long axis, and the clamping portion and the hydraulic cylinder are both connected to the hinged lugs via the upper long axis; The middle parts of adjacent connecting arms are connected through a lower long shaft, and the lower end of the hydraulic cylinder is hinged to the lower long shaft.
6. The concrete guardrail clamping device according to claim 4, characterized in that: The left upper arm of the three clamping parts is an integrated structure, and the lower end of the left upper arm is connected to the same left upper arm shaft. The right upper arm of the three clamping parts is an integrated structure, and the lower end of the right upper arm is connected to the same right upper arm shaft.
7. The concrete guardrail clamping device according to claim 1, characterized in that: The lower ends of the three right L-shaped arms are connected to the same lower left long axis, and the lower ends of the three left L-shaped arms are connected to the same lower right long axis. The adaptive splint is hinged on the corresponding lower left long axis or lower right long axis.
8. The concrete guardrail clamping device according to claim 1, characterized in that: The cross section of the adaptive splint is L-shaped. The sides of the two adaptive splints close to each other are provided with anti-slip rubber pads, and the sides of the two adaptive splints away from each other are both provided with handles.