Integrated hanging bracket for refrigerator car

Abstract

The utility model belongs to the technical field of refrigerator car hanging tools, and particularly relates to an integrated hanging bracket for a refrigerator car. The integrated hanging bracket for the refrigerator car comprises a main frame, a main hanging tool and an auxiliary hanging tool, the upper side of the main frame is connected with a hanging ring through a plurality of first hanging chains, and the main frame is formed by splicing cross beams and longitudinal beams; the main lifting appliance is used for suspending a carriage of the refrigerator car, the main lifting appliance comprises a plurality of groups of lifting rods, each group of lifting rods comprises two lifting rods which are symmetrically hinged to the lower sides of the two longitudinal beams, and a supporting plate is fixedly arranged at the lower end of each lifting rod; the auxiliary lifting appliance is used for hanging an auxiliary frame of the refrigerator car, the auxiliary lifting appliance comprises a plurality of groups of second lifting chains, each group of lifting chains comprises two lifting chains which are symmetrically hung on a cross beam, and a clamping jaw is hinged to the lower end of each second lifting chain. Due to the integrated design of the main lifting appliance and the auxiliary lifting appliance, the lifting requirements of the carriage and the auxiliary frame can be met at the same time, the lifting appliance replacement frequency is reduced, and the lifting efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of suspension tools for refrigerated trucks, and particularly relates to an integrated hanger for refrigerated trucks. Background Technique

[0002] Currently, two sets of independent lifting tools, namely a carriage lifting tool and a subframe lifting tool, are generally used in the lifting process of refrigerated trucks. This design significantly affects the work efficiency in actual operation. Since the lifting tasks often require frequent switching between the carriage and the subframe, the operator needs to constantly replace the lifting tools, which not only increases the operation complexity but also greatly prolongs the lifting operation time and reduces the overall production efficiency. In addition, the frequent replacement of the lifting tools also increases the risk of equipment wear and failure, further affecting the production progress and cost control.

[0003] Secondly, most of the existing carriage lifting tools adopt a vacuum suction cup design. Although the vacuum suction cup lifting tool has a certain adsorption force and stability in theory, in actual applications, when facing an object as heavy and complex in structure as the carriage of a refrigerated truck, its performance is often difficult to guarantee. Especially when there is a leak in the equipment pipeline, etc., the vacuum suction cup will quickly lose its adsorption force, resulting in the sudden detachment of the carriage during the lifting process, thus triggering serious safety accidents. This potential safety hazard not only threatens the lives of the operators but also may cause inestimable losses to the surrounding environment and equipment. Summary of the Invention

[0004] The purpose of the utility model is to solve the problem that in the existing technology, during the lifting production process of refrigerated trucks, due to the separate design of the carriage lifting tool and the subframe lifting tool, the lifting tasks need to be frequently switched between the carriage lifting tool and the subframe lifting tool, which affects the production efficiency. An integrated hanger for refrigerated trucks is proposed. This integrated lifting tool can simultaneously meet the lifting requirements of the carriage and the subframe, reduce the number of times of lifting tool replacement, and improve the lifting efficiency.

[0005] To achieve the above purpose, the technical solution adopted is:

[0006] An integrated hanger for refrigerated trucks, comprising:

[0007] A main frame, the upper side of which is connected to a lifting ring through a plurality of first lifting chains, and the main frame is formed by splicing a cross beam and a longitudinal beam;

[0008] A main lifting tool, which is used for suspending the carriage of the refrigerated truck, and the main lifting tool includes a plurality of groups of lifting rods. Each group of lifting rods includes two lifting rods symmetrically hinged to the lower sides of two longitudinal beams, and a support plate is fixedly provided at the lower end of each lifting rod;

[0009] and a secondary hoisting device for hoisting the secondary frame of a refrigerated truck, the secondary hoisting device including multiple groups of second hoisting chains, each group of hoisting chains including two hoisting chains symmetrically hung on a cross beam, and a clamping jaw being hinged to the lower end of each second hoisting chain.

[0010] According to the integrated hanging device for a refrigerated truck of the present utility model, further, the angle range of rotation of the suspension rod is -90 - 90°.

[0011] According to the integrated hanging device for a refrigerated truck of the present utility model, further, a limiting block is arranged on the lower side of the longitudinal beam for fixing the suspension rod rotated to 90°.

[0012] According to the integrated hanging device for a refrigerated truck of the present utility model, further, an upper hanging ear is fixedly arranged on the lower side of the cross beam, and the second hoisting chain is movably connected to the cross beam through the upper hanging ear.

[0013] According to the integrated hanging device for a refrigerated truck of the present utility model, further, a lower hanging ear is connected to the lower end of the second hoisting chain, and the clamping jaw is movably connected to the second hoisting chain through the lower hanging ear.

[0014] According to the integrated hanging device for a refrigerated truck of the present utility model, further, the clamping jaw includes a connecting rod and a claw, the upper end of the connecting rod is hinged to the lower hanging ear, and the claw is hinged to the middle of the connecting rod.

[0015] According to the integrated hanging device for a refrigerated truck of the present utility model, further, the connecting rod is in a broken line shape and includes a first straight portion and a second straight portion, and the upper end of the first straight portion is hinged to the lower hanging ear.

[0016] According to the integrated hanging device for a refrigerated truck of the present utility model, further, the claw is in a U shape, one end of the claw is hinged to the upper part of the second straight portion, and the other end of the claw abuts against the lower part of the second straight portion.

[0017] According to the integrated hanging device for a refrigerated truck of the present utility model, further, flexible blocks are arranged on the contact surfaces of the second straight portion and the claw with the secondary frame; flexible blocks are also arranged on the contact surface of the support plate with the carriage.

[0018] According to the integrated hanging device for a refrigerated truck of the present utility model, further, a hook is movably arranged on the lower side of the cross beam, and the hook is used for hanging the lower hanging ear.

[0019] Adopting the above technical solution, the beneficial effects obtained are:

[0020] The integrated hanger for refrigerated trucks of the present utility model adopts an integrated structural design, integrating the functions of the main hanger and the auxiliary hanger, realizing the hoisting of the refrigerated truck carriage and the subframe on the same hanger, avoiding the repeated replacement of the hanger during the hoisting process, significantly improving the efficiency of the hoisting operation, and reducing the safety risks that may be brought about by frequent operations.

[0021] The boom of the present utility model is hinged to the longitudinal beam through a pin shaft, enabling it to adjust the angle appropriately according to the actual size of the carriage; the second lifting chain is movably connected to the lower side of the cross beam, enabling the clamping jaws to easily adapt to subframes of different sizes. The movable design of the boom and the second lifting chain improves the flexibility and versatility of the present utility model.

[0022] Both the main hanger and the auxiliary hanger of the present utility model are foldable structures. When suspending the carriage, the auxiliary hanger is retracted and fixed to the cross beam by hanging on the hook through the lower lifting lug, avoiding interference and collision between the auxiliary hanger and the carriage. When suspending the subframe, the main hanger is retracted and fixed to the longitudinal beam by supporting the boom with a limit block, avoiding interference and collision between the main hanger and the subframe. In addition, when the present utility model is in a non-working state, both the main hanger and the auxiliary hanger can be folded and stored on the main frame to reduce the production space occupied by the hanger.

[0023] During the process of the auxiliary hanger of the present utility model suspending the subframe, the two symmetrical second lifting chains are always in an open state (as Figure 3 shown), and the horizontal component of the pulling force generated by them always points to the subframe. Therefore, the external force on the clamping jaws in the horizontal direction always points to the subframe. So, even if the subframe swings left and right when suspended, the subframe will not fall off from the clamping jaws, improving the safety during the production process. Brief Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments of the present utility model will be briefly introduced below. Among them, the drawings are only used to show some embodiments of the present utility model, rather than limiting all embodiments of the present utility model thereto.

[0025] Figure 1 is a schematic structural diagram of the integrated hanger for refrigerated trucks of the present utility model;

[0026] Figure 2 is a schematic structural diagram of the clamping jaws of the present utility model;

[0027] Figure 3 is a working state diagram of the integrated hanger for refrigerated trucks of the present utility model suspending the subframe;

[0028] Figure 4 is Figure 3 a partial enlarged view of A in

[0029] Figure 5 This is the working state diagram of the integrated hanger for suspending the carriage of a refrigerated vehicle of the present utility model.

[0030] The meanings represented by the serial numbers in the figure are as follows:

[0031] 100. Main frame, 110. Longitudinal beam, 111. Limit block, 120. Cross beam, 121. Hook, 130. Reinforcing beam;

[0032] 200. Main hoist, 210. Boom, 220. Support plate;

[0033] 300. Auxiliary hoist, 310. Second hoisting chain, 311. Upper ear, 312. Lower ear, 320. Claw, 321. Connecting rod, 3211. First straight part, 3212. Second straight part, 322. Clamping jaw, 323. Flexible block;

[0034] 400. Sling, 410. First hoisting chain;

[0035] 500. Sub-frame, 600. Carriage. Detailed implementation manners

[0036] In the following, the exemplary solutions of the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present utility model. Unless otherwise defined, the technical terms or scientific terms used in the present utility model should have the ordinary meanings understood by those of ordinary skill in the art.

[0037] As Figure 1 shown, the integrated hanger for a refrigerated vehicle in this embodiment includes a main frame 100, a main hoist 200, and an auxiliary hoist 300. The upper side of the main frame 100 is connected to a sling 400 through a plurality of first hoisting chains 410. The main frame 100 includes two cross beams 120 and two longitudinal beams 110. The main hoist 200 is used to suspend the carriage 600 of the refrigerated vehicle. The main hoist 200 includes multiple groups of booms. Each group of booms includes two booms 210 symmetrically hinged to the lower sides of the two longitudinal beams 110. A support plate 220 is fixedly provided at the lower end of each boom 210. The auxiliary hoist 300 is used to suspend the sub-frame 500 of the refrigerated vehicle. The auxiliary hoist 300 includes multiple groups of second hoisting chains. Each group of hoisting chains includes two hoisting chains 310 symmetrically suspended on a cross beam. A claw 320 is hinged to the lower end of each second hoisting chain 310. The integrated design of the main hoist 200 and the auxiliary hoist 300 avoids the need to repeatedly switch hoisting tools during the hoisting production of the refrigerated vehicle, improving the production efficiency.

[0038] Preferably, the number of booms 210 is four, and the four booms 210 are respectively hinged to the two ends of the two longitudinal beams 110.

[0039] Preferably, the number of second hoisting chains 310 is four, and the number of claws 320 is also four.

[0040] As Figure 1 shown, the angle range of rotation of the suspension rod 210 is -90 - 90°. During the production process, the angle of the suspension rod 210 can be adjusted according to the position and size (within a certain range) of the carriage 600 to avoid interference and collision between the suspension rod 210 and the carriage 600.

[0041] As Figure 1 shown, limit blocks 111 are fixedly arranged at both ends of the longitudinal beam 110. The limit blocks 111 are used to lock and fix the suspension rod 210 rotated to 90°. Specifically, a total of four limit blocks 111 are arranged at both ends of the left and right longitudinal beams 110. Among them, the positions of the limit blocks 111 on each longitudinal beam 110 correspond to the suspension rod 210 connected to the other longitudinal beam 110 respectively.

[0042] During the actual production process, as Figure 3 shown, when the main lifting tool 200 is in a non - use state, one suspension rod 210 can be rotated to a horizontal state (90° or -90°). And the lower end of the suspension rod 210 is fixed by the limit block 111 of the opposite longitudinal beam 110 to keep the suspension rod 210 in a horizontal state, so as to reduce the space occupied by the main lifting tool 200.

[0043] As Figure 1 shown, an upper lifting ear 311 is welded to the lower side of the cross beam 120. The second lifting chain 310 and the cross beam 120 are movably connected through the upper lifting ear 311.

[0044] A lower lifting ear 312 is sleeved at the lower end of the second lifting chain 310. The clamping jaw 320 is hinged to the second lifting chain 310 through the lower lifting ear 312.

[0045] The movable connection between the upper lifting ear 311, the second lifting chain 310, the lower lifting ear 312 and the clamping jaw 320 enables the auxiliary lifting tool 300 to flexibly suspend sub - frames of different sizes, increasing the applicable range of the auxiliary lifting tool.

[0046] Furthermore, as Figure 3 shown, the distance between the two upper lifting ears 311 on the same cross beam 120 is less than the width of the sub - frame 500. When suspending the sub - frame 500, the two second lifting chains 310 on the same cross beam 120 are always in an open state. The horizontal component of the pulling force generated by the second lifting chain 310 always points to the sub - frame 500. Therefore, the external force on the clamping jaw 320 in the horizontal direction always points to the sub - frame 500. So, even if the sub - frame 500 swings left and right when suspended, the sub - frame 500 will not fall off from the clamping jaw, improving the safety during the production process.

[0047] As Figure 1 and Figure 2As shown in the figure, the jaw 320 includes a connecting rod 321 and a claw 322. The upper end of the connecting rod 321 is hinged to the lower lifting lug 321, and the claw 322 is hinged to the middle of the connecting rod 321.

[0048] Furthermore, the connecting rod 321 is in a broken line shape and includes a first straight portion 3211 and a second straight portion 3212. The upper end of the first straight portion 3211 is hinged to the lower lifting lug 321.

[0049] Furthermore, as Figure 2 shown in the figure, the claw 322 is in a U shape. One end of the claw 322 is hinged to the upper part of the second straight portion 3212, and the other end of the claw 322 abuts against the lower part of the second straight portion 3212.

[0050] Specifically, the situation of using the auxiliary lifting device 300 to suspend the subframe 500 is as Figure 3 and Figure 4 shown in the figure. The beam on the subframe 500 that is clamped by the claw 322 is a Z-shaped beam. The U-shaped claw 322 clamps the upper wing plate of the Z-shaped beam, and at the same time, the lower end of the U-shaped claw 322 abuts against one side of the web of the Z-shaped beam; the second straight portion 3212 of the connecting rod 321 abuts against the other side of the web of the Z-shaped beam. The U-shaped claw 322 and the connecting rod 321 cooperate with each other to lock the Z-shaped beam, realizing the fixed connection between the subframe 500 and the auxiliary lifting device 300.

[0051] As Figure 2 and Figure 3 shown in the figure, flexible blocks 323 are provided on the contact surfaces between the second straight portion 3212 and the inner side of the U-shaped claw 322 and the subframe 500 to prevent the subframe 500 from being knocked and scratched. Flexible blocks 323 are also provided on the contact surface between the support plate 220 and the carriage 600 to prevent the carriage 600 from being knocked and scratched.

[0052] Furthermore, the material used for the flexible block 323 is a nylon block.

[0053] As Figure 1 and Figure 5 shown in the figure, a plurality of hooks 121 are also movably provided on the lower side of the cross beam 120. Specifically, a hanging ring is welded on the lower side of the cross beam 120, and each hook 121 is sleeved on the hanging ring. The hook 121 is used for hanging the lower lifting lug 312. When the auxiliary lifting device 300 is in a non-working state, the lower lifting lug 312 is hung on the hook 121. On the one hand, the space occupied by the auxiliary lifting device 300 is reduced; on the other hand, the interference and collision between the auxiliary lifting device 300 and the carriage 600 can be avoided.

[0054] Preferably, the number of the hooks 121 is four.

[0055] As Figure 1 and Figure 3As shown, a reinforcing beam 130 is also welded between the longitudinal beam 110 and the cross beam 120 to improve the structural stability of the main frame 100.

[0056] The working principle of this application is as follows:

[0057] The entire hanger is hooked to the hook of an external hoist through the lifting ring 400.

[0058] (1) When transporting the subframe 500:

[0059] S1. As Figure 3 shown, rotate the four suspension rods 210 to the horizontal state and fix the suspension rods 210 through the limit block 111;

[0060] S2. Fasten the four jaws 320 to the Z-shaped beams of the subframe 500 respectively. The hoist starts and the hook rises, and the subframe 500 rises with the auxiliary lifting device 500 of the hanger to be suspended in the air;

[0061] S3. After the hoist transports the subframe 500 to the installation station, the hook gradually descends, and the subframe 500 is gradually placed on the installation station;

[0062] S4. Release each jaw 320 to complete the transportation of the subframe 500.

[0063] (2) When transporting the carriage 600:

[0064] S1. As Figure 5 shown, hang each upper suspension ear 311 on the hook 121 to reduce the space occupied by the auxiliary lifting device 300 and avoid interference and collision between the auxiliary lifting device 300 and the carriage 600.

[0065] S2. Release each suspension rod 210 to keep it in the vertical state;

[0066] S3. Transfer the hanger to the place where the carriage 600 is placed and fine-tune the angle of the suspension rods 210 so that the carriage 600 is completely on the support plates 220 of the four suspension rods 210;

[0067] S4. The hook of the hoist rises, and the carriage 600 rises with the main lifting device 200 of the hanger under the support of the support plates 220 to be suspended in the air;

[0068] S5. After the hoist transports the carriage 600 to the installation station, the hook gradually descends, and the carriage 600 is gradually placed on the subframe 500, thus completing the transportation of the carriage;

[0069] S6. The hook of the hoist descends slightly again to separate the support plates 220 from the carriage 600; then the hoist drives the hanger to perform the suspension of the next group of carriage 600 and subframe 500.

[0070] It should be noted that when an element is described as "connected", "coupled" or "linked" to another element, it may mean a direct connection, coupling or linkage, but it should be understood that there may be intermediate elements between them; that is, it covers both direct and indirect connection positional relationships.

[0071] It should be noted that the use of words such as "a" or "an" does not necessarily imply a limitation in quantity. Words such as "comprising" or "including" mean that the element or item preceding such a word encompasses the elements or items listed after such a word and their equivalents, without excluding other elements or items.

[0072] It should be noted that terms indicating orientation or positional relationships such as "upper", "lower", "left", "right", etc. are only used to represent relative positional relationships. They are for the convenience of describing the present utility model, rather than meaning that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0073] The preferred embodiments for implementing the present utility model have been described in detail above, but it should be understood that the functions of these embodiments are only for illustration and not for limiting the scope, application or construction of the present utility model in any way. The protection scope of the present utility model is defined by the appended claims and their equivalents. Those of ordinary skill in the art can make many changes to the foregoing embodiments under the teaching of the present utility model, and these changes all fall within the protection scope of the present utility model.

Claims

1. An integrated hanger for a refrigerated vehicle, characterized in that: include: A main frame, the upper side of which is connected to the lifting ring via a plurality of first lifting chains, the main frame being formed by splicing a cross beam and a longitudinal beam; A main sling, which is used to suspend the compartment of the refrigerated truck, the main sling comprising a plurality of groups of slings, each group of slings comprising two slings symmetrically hingedly arranged on the lower sides of two longitudinal beams, and a support plate fixedly arranged at the lower end of each sling; And an auxiliary sling, which is used to suspend the auxiliary frame of the refrigerated truck, the auxiliary sling includes multiple groups of second sling chains, each group of sling chains includes two sling chains symmetrically hung on a crossbeam, and each second sling chain is hingedly provided with a clamping claw at the lower end.

2. The integrated hanger for a refrigerated vehicle according to claim 1, characterized in that: The angle range of the boom rotation is -90-90°.

3. The integrated hanger for a refrigerated vehicle according to claim 2, characterized in that: A limiting block is arranged at the lower side of the longitudinal beam for fixing the suspension rod rotated to 90 degrees.

4. The integrated hanger for a refrigerated vehicle according to claim 1, characterized in that: An upper lifting ear is fixedly provided on the lower side of the cross beam, and the second lifting chain is movably connected to the cross beam via the upper lifting ear.

5. The integrated hanger for a refrigerated vehicle according to claim 4, characterized in that: The lower end of the second lifting chain is connected with a lower lifting ear, and the clamping claw is movably connected to the second lifting chain through the lower lifting ear.

6. The integrated hanger for a refrigerated vehicle according to claim 5, characterized in that: The clamp comprises a connecting rod and a clamping claw, the upper end of the connecting rod is hinged to the lower lifting ear, and the clamping claw is hingedly arranged at the middle part of the connecting rod.

7. The integrated hanger for a refrigerated vehicle according to claim 6, characterized in that: The connecting rod is in a broken line shape and includes a first straight portion and a second straight portion, wherein the upper end of the first straight portion is hinged to the lower lifting ear.

8. The integrated hanger for a refrigerated vehicle according to claim 7, characterized in that: The clamping claw is U-shaped, one end of the clamping claw is hinged to the upper part of the second straight line portion, and the other end of the clamping claw contacts the lower part of the second straight line portion.

9. The integrated hanger for a refrigerated vehicle according to claim 7, characterized in that: The contact surface between the second straight portion and the claw and the auxiliary frame is provided with a flexible block; the contact surface between the support plate and the carriage is also provided with a flexible block.

10. The integrated hanger for a refrigerated vehicle according to claim 5, characterized in that: A hook is also movably provided on the lower side of the cross beam, and the hook is used to hang the lower lifting ear.

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