Hydraulic scraper straightening device

Abstract

The utility model discloses a hydraulic scraper straightening device which comprises a platform, and an upper support is arranged on the platform. A pressure device is installed on the upper support and provided with a piston rod, a pressure head is installed at the lower end of the piston rod, and a cushion block is arranged on the lower portion of the upper support and located in the area below the pressure head. The pressure head is used for moving towards the cushion block under the driving of the piston rod so as to apply pressure to the bent part of the bent scraper placed on the cushion block; according to the utility model, the pressure device is arranged on the platform, and pressure is applied to the bent part of the scraper through the pressure head of the pressure device, so that the whole scraper is straightened, the recycling of the scraper can be realized, and the number and cost of spare parts are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to coal mine equipment technical field, especially relate to a hydraulic scraper straightening device. BACKGROUND

[0002] The scraper conveyor is used for pulling coal, gangue or rock by scraper chain, when pulling gangue or rock, the scraper will be blocked, causing the scraper to bend, the distance between the bent scrapers is small, which can cause the scraper and scraper chain to slip out of the chute, wear the chute or cause chain breakage.

[0003] Therefore, the maintenance worker needs to replace the new scraper when finding the bent scraper, and the bent scraper replaced can only be recycled and scrapped. INVENTION CONTENTS

[0004] The utility model discloses a hydraulic scraper straightening device to straighten the bent scraper, realize the reuse of the bent scraper and reduce the spare part cost.

[0005] The utility model adopts the following technical scheme: a hydraulic scraper straightening device, including the platform, be provided with upper support on the platform,

[0006] The upper support is installed with pressure device, and the pressure device has piston rod, and the lower end of the piston rod is installed with pressure head, and the lower part of the upper support is provided with cushion block below the pressure head region,

[0007] The pressure head is used for moving to the cushion block direction under the driving of the piston rod to exert pressure on the bent part of the bent scraper placed on the cushion block.

[0008] Further, two interval arranged support blocks are arranged on the cushion block below the pressure head region, and the middle region of the two support blocks is located directly below the pressure head.

[0009] Further, the upper support includes front support leg and rear support leg.

[0010] The front support leg and the rear support leg are provided with the cushion block.

[0011] Further, the width of the support block is equal to the distance between the two reinforcing ribs of the scraper.

[0012] Further, the pressure head includes strip-shaped pressing block, and the length direction of the strip-shaped pressing block is the same as the width direction of the scraper.

[0013] Further, the platform is provided with lower support plate below.

[0014] The utility model has the advantages that the utility model sets up pressure device on the platform, and the pressure head of the pressure device exerts pressure on the bent part of the scraper, straightens the whole scraper, so that the recycling and reuse of the scraper can be realized, and the number and cost of spare parts are reduced.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of a hydraulic scraper straightening device according to an embodiment of the present application;

[0016] Figure 2 It is a structure schematic view of a hydraulic scraper straightening device according to an embodiment of the present application from another perspective;

[0017] Figure 3 It is a structure schematic view of a new scraper;

[0018] Figure 4 It is a structure schematic view of a curved scraper in use.

[0019] Wherein: 11. piston rod; 12. pressure head;

[0020] 21. platform; 22. upper support; 23. cushion block; 24. support block; 25. lower support plate;

[0021] 31. main beam; 32. reinforcing rib; 33. curved part. DETAILED DESCRIPTION

[0022] The present application will be described in detail below with reference to the drawings and specific embodiments.

[0023] The present application discloses a kind of hydraulic scraper straightening device, as shown in Figure 1 And Figure 2 It includes platform 21, and platform 21 is provided with upper support 22;Upper support 22 is installed with pressure device, and pressure device has piston rod 11, and the lower end of piston rod 11 is installed with pressure head 12, and the lower part of upper support and the area below pressure head are provided with cushion block 23;Pressure head 12 is used to be driven under the piston rod 11, to the direction of cushion block 23 movement, to exert pressure on the curved part 33 of curved scraper placed on cushion block 23.

[0024] The present application sets up pressure device on platform, and the curved part of scraper is exerted pressure by the pressure head 12 of pressure device, so that scraper is straightened as a whole, so that the recycling of scraper can be realized, and the number of spare parts and cost are reduced.

[0025] In one embodiment, two support blocks 24 are arranged at intervals on the area below pressure head 12 of cushion block 23, and the middle area of the two support blocks 24 is directly below pressure head 12. By the arrangement of support block 24, the two ends of scraper can be raised when the straightening of scraper is carried out, so that there is a certain spacing between scraper and cushion block 23.

[0026] Specifically, the upper support 22 comprises a front leg and a rear leg, and a cushion block 23 is arranged between the front leg and the rear leg. The front leg and the rear leg can limit the position of the cushion block 23, preventing the cushion block 23 from moving during straightening.

[0027] The width of the support block 24 is equal to the distance between the two reinforcing ribs 32 of the blade. By such arrangement, when the blade is straightened, the reinforcing ribs 32 on both sides of the blade can be clamped on the edges of the support block 24, so that the main beam 31 of the blade is attached to the top surface of the support block 24, and the two are integrated as one, preventing the blade from shaking left and right during straightening, and increasing the safety of construction.

[0028] Regarding the shape of the blade, as shown in Figure 3 the blade is a brand new unused blade, Figure 4 the blade shown in the figure is a used and damaged blade. As can be seen from the figure, the blade has a main beam 31 in the middle, and reinforcing ribs are arranged on both sides of the main beam 31 in the thickness direction, wherein Figure 4 the middle curved portion 33 is the part that needs to be straightened.

[0029] The pressure head 12 comprises a strip-shaped block, and the length direction of the strip-shaped block is the same as the width direction of the blade. By arranging the strip-shaped block, the stress point of the blade can be controlled, so that the entire cross section of the blade is subjected to pressure at the same time, preventing the blade from being unexpectedly deformed during straightening, and ensuring that the shape of the straightened blade is uniform.

[0030] In the embodiment, a lower support plate 25 is arranged below the platform 21. The support plate 25 can place other tools. In addition, when the pressure device is a hydraulic device, a small hydraulic pump station can also be installed on the support plate 25 to provide a power source for the hydraulic device.

[0031] In summary, the utility model is made of two parts, the lower part is a table, which can place the hydraulic pump station and control part, and the upper part is a shaping platform, which is divided into a hydraulic cylinder and a shaping frame. The curved blade is placed in the shaping frame below the hydraulic cylinder, and the controller is used to control the extension and retraction of the hydraulic cylinder to straighten the curved blade.

[0032] In actual production, each blade costs 32 yuan, and each team needs to replace about 30 blades per month (the number of blades used by the blade conveyor for pulling rocks may be more), and a mine has 5 tunneling teams, with a repair rate of 70%. Without considering the impact of blade conveyor downtime or maintenance caused by blades, the annual direct parts cost savings are: 32 yuan x 30 x 5 teams x 0.7 repair rate x 12 months = 40320 yuan.

Claims

1. A hydraulic screed straightening device characterized by, It comprises a platform (21) on which an upper support (22) is arranged; A pressure device is mounted on the upper support (22), which has a piston rod (11), the lower end of which is provided with a pressure head (12), and the lower part of the upper support (22) is provided with a cushion block (23) below the pressure head (12); The pressure head (12) is used to move to the direction of the cushion block (23) under the drive of the piston rod (11) to apply pressure to the curved part (33) of the curved scraper placed on the cushion block (23); Two support blocks (24) are arranged on the cushion block (23) below the pressure head (12), and the middle regions of the two support blocks (24) are located directly below the pressure head (12); The width of the support block (24) is equal to the distance between the two reinforcing ribs (32) of the scraper.

2. A hydraulic screed straightening device as in claim 1, wherein, The upper support (22) comprises a front leg and a rear leg; The cushion block (23) is arranged between the front leg and the rear leg.

3. A hydraulic screed straightening device as in claim 2, wherein, The pressure head (12) comprises a strip-shaped pressing block, and the length direction of the strip-shaped pressing block is the same as the width direction of the scraper.

4. A hydraulic screed straightening device as in claim 1, wherein, A lower support plate (25) is arranged below the platform (21).

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