Pillow replacing machine head

Abstract

The utility model discloses a pillow changing machine head which comprises a fixing base, a shovel plate arranged on the front side of the fixing base, a rotating motor arranged below the fixing base, a connecting base arranged at the bottom of the rotating motor, two clamping jaws capable of being opened and closed connected to the left side and the right side of the bottom of the connecting base through driving mechanisms, and a high-strength clamping plate detachably arranged on the inner side of each clamping jaw. Holes are correspondingly formed in the positions, close to the bottoms, of the clamping jaws and the high-strength clamping plates, limiting barrier strips are arranged at the positions, on the front sides and the rear sides of the holes, of the bottoms of the inner sides of the high-strength clamping plates, supporting column cylinders are arranged on the front sides and the rear sides of the connecting bases correspondingly, and the supporting column cylinders are connected with pressing plates capable of ascending and descending through springs. The high-strength clamping plates are arranged on the inner sides of the clamping jaws, the overall abrasion-resistant degree of the clamping jaws is improved, when the high-strength clamping plates are abraded, only the high-strength clamping plates need to be detached and replaced, materials are saved, and replacement is easy.

Description

Technical Field

[0001] The utility model belongs to the technical field of pillow changing machines, in particular to a pillow changing machine head. Background Art

[0002] At present, the national railway construction is developing rapidly, and railway construction has become an important infrastructure project. During the railway construction or maintenance process, with the development of technology, the laying of sleepers and the subsequent replacement of sleepers are mainly completed by sleeper changing machines. For sleeper changing machines, the sleeper changing machine head is one of the main components of the sleeper changing machine, which is mainly used to clamp the sleepers and at the same time can remove stones on the railway to facilitate the lifting of the sleepers.

[0003] In the prior art, after searching, the utility model patent with Chinese patent publication number CN213447896U discloses a new type of sleeper changing machine head, which mainly includes a fixed seat a, the upper part of the fixed seat a is connected to the sleeper changing machine, the front part of the fixed seat a is connected with a shovel plate b, the shovel plate b is provided with bucket teeth c, the bottom of the fixed seat a is provided with a rotating motor d, the bottom of the rotating motor d is provided with a connecting seat e, the left and right sides of the connecting seat e are connected with two openable and closable clamping claws g through a driving mechanism f, and the front and rear sides of the bottom of the connecting seat e are fixed with a pressing plate m. When working, the shovel plate b first scrapes away the gravel and sand on the front side of the sleeper n on the railway, and then the driving mechanism drives the clamping plate to clamp the sleeper, and the pressing plate is pressed on the top of the sleeper.

[0004] The sleeper changing machine head similar to the above-mentioned technical solution in the prior art is found to have the following defects during actual operation: First, when the two jaws clamp the sleepers and move, the jaws generally hold the sleepers from both sides, and there is no specific limit on the sleepers on the lower side of the jaws, which easily causes the sleepers to slip; Second, with long-term use, the jaws are severely worn, and when the jaws are worn and replaced, the jaws need to be replaced as a whole, resulting in a certain amount of material waste. Utility Model Content

[0005] In view of the shortcomings and defects in the prior art, the purpose of the utility model is to provide a pillow changing machine head, which solves the problem that the lower side of the clamping jaws in the prior art has no specific limit on the sleepers, which easily causes the sleepers to slip, and the clamping jaws need to be replaced as a whole when they are worn, resulting in a certain amount of material waste.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: a pillow changing machine head, including a fixed seat, a shovel plate is provided on the front side of the fixed seat, a plurality of bucket teeth are provided on the front side of the shovel plate, a rotating motor is provided under the fixed seat, a connecting seat is provided at the bottom of the rotating motor, and two openable and closable clamping jaws are connected to the left and right sides of the bottom of the connecting part through a driving mechanism, and a high-strength clamping plate is detachably provided on the inner side surface of each of the clamping jaws, and an opening is correspondingly provided on the clamping jaw and the high-strength clamping plate at a position close to the bottom, and a limit baffle is provided on the front and rear sides of the opening on the inner bottom of the high-strength clamping plate, and a support tube is provided on the front and rear sides of the connecting seat, and the support tube is connected to a pressure plate that can be raised and lowered through a spring.

[0007] As a further improvement of the utility model, the high-strength clamping plate and the clamping claw are detachably connected by bolts.

[0008] As a further improvement of the utility model, the shovel plate is connected to the fixing seat by bolts.

[0009] As a further improvement of the utility model, two arc-shaped plates are arranged on the shovel plate, and the arc-shaped plates are arranged at the corner positions on the left and right sides of the fixing seat.

[0010] As a further improvement of the utility model, two slots are provided on the front side of the shovel plate, and a rotating rod is provided at the rear position of each slot.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. By arranging a detachable high-strength splint on the inner side of the clamping jaw, the overall wear resistance of the clamping jaw is improved, and when the high-strength splint is worn, it is only necessary to disassemble and replace the high-strength splint, which not only saves materials but also is relatively simple to replace and easy to operate; by correspondingly opening an opening in the clamping jaw and the high-strength splint, and a limit stop bar is provided on both the front and rear sides of the opening at the bottom of the inner side of the high-strength splint, the setting of the limit stop bar can limit and block the sleeper at the bottom after the sleeper is clamped to prevent the sleeper from slipping; and the setting of the opening facilitates the outflow of stones near the sleeper when the clamping jaw clamps the sleeper; in addition, by arranging a support tube on the connecting seat, the support tube is connected to the liftable pressure plate through a spring, then when the clamping jaw clamps the sleeper, the spring can adjust the pressure plate to press on the upper part of the sleeper according to the thickness of the sleeper or the state of the clamped sleeper, to avoid the situation where the pressure plate cannot press the sleeper.

[0013] 2. By arranging two arc-shaped plates on the shovel plate, a certain positioning effect can be played on the connection between the shovel plate and the fixing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings:

[0015] Figure 1 It is a structural schematic diagram of the prior art;

[0016] Figure 2 It is a structural schematic diagram of the utility model;

[0017] Figure 3 for Figure 2 A magnified view at point A;

[0018] In the figure: 1. fixed seat; 2. shovel plate; 3. bucket tooth; 4. rotating motor; 5. connecting seat; 6. driving mechanism; 7. clamping claw; 8. high-strength clamping plate; 9. opening; 10. limit stop bar; 11. pressure plate; 12. spring; 13. arc plate; 14. slot; 15. rotating rod; 16. support tube. DETAILED DESCRIPTION

[0019] The following is combined with Figure 2-3 The utility model is further described in detail. For a clearer illustration, only the structure related to the utility model is shown in the figure.

[0020] For the convenience of description, the coordinate system is defined as Figure 2 As shown, the left-right direction is the horizontal direction, the front-back direction is the longitudinal direction, and the up-down direction is the vertical direction.

[0021] The utility model discloses a pillow changing machine head. Figure 2 A pillow changing machine head includes a fixed seat 1, a shovel plate 2 is connected to the front side of the fixed seat 1 by bolts, a plurality of bucket teeth 3 are arranged on the front side of the shovel plate 2, a rotating motor 4 is arranged below the fixed seat 1, a connecting seat 5 is arranged at the bottom of the rotating motor 4, and two openable and closable clamping claws 7 are connected to the left and right sides of the bottom of the connecting part through a driving mechanism 6. The above arrangement is the same as the prior art (refer to the patent with publication number CN213447896U), and this application does not elaborate on it. Figure 2 and Figure 3 As shown, each of the clamping jaws 7 in the device is provided with a high-strength splint 8 on the inner side surface which can be detachably provided by bolts. The high-strength splint 8 is made of wear-resistant material, such as high manganese steel, etc. An opening 9 is correspondingly opened on the clamping jaw 7 and the high-strength splint 8 near the bottom. A limit stop bar 10 is provided on both the front and rear sides of the opening 9 at the bottom of the inner side of the high-strength splint 8. A support tube 16 is provided on both the front and rear sides of the connecting seat 5. The support tube 16 is connected to a pressure plate 11 which can be raised and lowered through a spring 12. When setting, the upper end of the spring 12 can be extended into the support tube 16, and the bottom of the pressure plate 11 can be provided with a protective pattern to improve the anti-slip effect.

[0022] In addition, if Figure 2As shown, the shovel plate 2 is provided with two arc plates 13, which are arranged at the corner positions on the left and right sides of the fixing seat 1, and can play a certain positioning role in the connection between the shovel plate 2 and the fixing seat 1. The front side of the shovel plate 2 is provided with two slots 14, and each slot 14 is provided with a rotating rod 15 at the rear position.

[0023] The utility model improves the overall wear resistance of the clamping jaw 7 by arranging a detachable high-strength clamping plate 8 on the inner side of the clamping jaw 7, and when the high-strength clamping plate 8 is worn, it only needs to be disassembled and replaced, which can not only save materials, but also is relatively simple to replace and easy to operate; by correspondingly opening an opening 9 on the clamping jaw 7 and the high-strength clamping plate 8, and a limit stop bar 10 is provided on the inner bottom of the high-strength clamping plate 8 at both sides of the opening 9, the setting of the limit stop bar 10 can limit and block the sleeper at the bottom after the sleeper is clamped to prevent the sleeper from slipping; and the setting of the opening 9 facilitates the outflow of stones near the sleeper when the clamping jaw 7 clamps the sleeper; in addition, by arranging a support tube 16 on the connecting seat 5, the support tube 16 is connected to the liftable pressing plate 11 through the spring 12, then when the clamping jaw 7 clamps the sleeper, the spring 12 can adjust the pressing plate 11 to be pressed tightly on the upper part of the sleeper according to the thickness of the sleeper or the state of the clamped sleeper, thereby improving the clamping firmness of the sleeper.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. It should be understood that the specific implementation methods described herein are only used to understand the present utility model, and are not used to limit the present utility model. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present utility model.

Claims

1. A pillow changing machine head, comprising a fixed seat, a shovel plate is provided on the front side of the fixed seat, a plurality of bucket teeth are provided on the front side of the shovel plate, a rotating motor is provided below the fixed seat, a connecting seat is provided at the bottom of the rotating motor, and two openable and closable clamping claws are connected to the left and right sides of the bottom of the connecting part through a driving mechanism, characterized in that: A high-strength clamp is detachably provided on the inner side of each clamp, and an opening is correspondingly provided on the clamp and the high-strength clamp near the bottom. A limit stop bar is provided on both the front and rear sides of the opening at the bottom of the inner side of the high-strength clamp, and a support tube is provided on both the front and rear sides of the connecting seat, and the support tube is connected to a pressure plate that can be raised and lowered through a spring.

2. The pillow changing machine head according to claim 1, characterized in that: The high-strength clamping plate and the clamping claw are detachably connected via bolts.

3. The pillow changing machine head according to claim 1, characterized in that: The shovel plate is connected to the fixing seat by bolts.

4. The pillow changing machine head according to claim 1, characterized in that: The shovel plate is provided with two arc-shaped plates, and the arc-shaped plates are arranged at the corner positions on the left and right sides of the fixing seat.

5. A pillow changing machine head according to any one of claims 1 to 4, characterized in that: The front side of the shovel plate is provided with two slots, and a rotating rod is provided at the rear position of each slot.

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